(written from a Production point of view)
This is a list of performers who were considered for Star Trek: Deep Space Nine roles, but ultimately did not appear in the role in the final episode or film. Performers listed here have been verified as having been considered by Star Trek personnel for a particular role on Trek in which they ultimately did not appear.
|Performers considered for Star Trek roles|
|The Original Series • Films • The Next Generation • Deep Space Nine • Voyager • Enterprise • Discovery|
Richard Dean AndersonEdit
Anderson came to the spotlight for his role of the title character in the television series MacGyver from 1985 to 1992. He was later took the better know role of Jack O'Neill in the television series Stargate SG-1 from 1997 through 2007, Stargate Atlantis from 2004 to 2007 and Stargate Universe from 2009-2010.
- Main article: Ron Canada
Ron Canada (born 3 May 1949; age 68) was one of two contenders for the role of Martok, alongside his good friend J.G. Hertzler. Both had the same agent at that time and at some point the agent told Canada that he got the role, though the producers still had to see one other candidate (without knowing it was Hertzler). Somehow, Hertzler ended up with the role, which made the agent tell Canada that the bad news was he didn't get the role, but the good news was it went to his best friend. 
Jeff Conaway (1950 – 2011) was reportedly approached for an unspecified guest role on either Star Trek: Deep Space Nine or Star Trek: Voyager, but declined. Conaway mentions the offer in the DVD audio commentary for the Babylon 5 TV movie Thirdspace. Conaway was a series regular as Security Chief Zack Allan on the Babylon 5 series, along with Andreas Katsulas, Bill Mumy, Patricia Tallman, Robert Rusler, and Tracy Scoggins. He also reprised the role in the aforementioned Thirdspace (which co-starred Clyde Kusatsu), River of Souls (with Joel Brooks), and A Call to Arms (with Tony Todd). Conaway is best known for his role as Kenicke in the 1978 film adaptation of the musical Grease and as taxi-driver/struggling actor Bobby Wheeler on the sitcom Taxi (with Christopher Lloyd).
- Main article: Michael Dorn
Michael Dorn (born 9 December 1952; age 65) was to appear as the mirror universe counterpart of his Next Generation character, Worf in "Crossover". The schedule conflicted with the filming of TNG. 
Michelle Forbes Edit
- Main article: Michelle Forbes
Michelle Forbes (born 8 January 1965; age 53) was originally planned to reprise her role as Ro Laren in the series, turning the character into a regular (possibly the first officer of Deep Space 9). Forbes turned down the offer, and the character became the basis for Major Kira Nerys. (Captains' Logs: The Unauthorized Complete Trek Voyages)
As Forbes explained: "It was, again, about wanting variety in my career. If I'd gone on to do DS9, I might not have had the variety I've been lucky to have in my career. That's not to say I wasn't grateful for the opportunity; I genuinely was. However, I had to make a choice that felt right for me, which was a difficult one, especially as a young actor being offered a steady job." (TV Zone Magazine, January 2005)
Robert Foxworth Edit
- Main article: Robert Foxworth
Robert Foxworth (born 1 November 1941; age 76) auditioned for a guest role in "Hippocratic Oath" (most likely as Goran'Agar). He would be cast later in the season as Admiral Leyton in the two-part "Homefront" and "Paradise Lost", as well as Vulcan administrator V'Las in the Star Trek: Enterprise season four episodes "The Forge", "Awakening" and "Kir'Shara". (Star Trek: Deep Space Nine Companion)
Whoopi Goldberg Edit
- Main article: Whoopi Goldberg
Whoopi Goldberg (born 13 November 1955; age 62) was approached to do a cameo as Guinan in "Rivals" (where Martus Mazur would be revealed to be her wayward son), but had to turn it down as it conflicted with the filming of other projects (Goldberg also did not appear in any Next Generation episodes in the 1993-94 season). All references to Guinan were then removed from the episode's script. (Star Trek: Deep Space Nine Companion)
Robert Goulet (1933 – 2007) was a Canadian singer and actor, who was approached to play Vic Fontaine after Frank Sinatra, Jr. turned down the role. He also passed on the offer. (Star Trek: Deep Space Nine Companion)
Goulet played a variety roles in film and television, including the TV-movie version of the musicals Brigadoon (1966), Carousel (1967), and Kiss Me Kate (1968), and appearances on such series as Mission: Impossible, Fantasy Island (starring Ricardo Montalban), The Love Boat, and Murder, She Wrote (starring William Windom). He also appeared in movies like Beetle Juice (1988, with Winona Ryder) and The Naked Gun 2 ½: The Smell of Fear (1991, with Peter Mark Richman, Tim O'Connor, and John Fleck). Goulet provided his singing voice for the animated film Toy Story 2 (2000), which also featured the voices of Wallace Shawn and Kelsey Grammer.
- Main article: Martha Hackett
Martha Hackett (born 21 February 1961; age 57) auditioned for the role of Jadzia Dax, but lost out to Terry Farrell.(citation needed • edit) She was subsequently cast as the Terrellian pilot Androna in the final Star Trek: The Next Generation episode "All Good Things...", only to have her scene cut from the episode. Nevertheless, she was cast on Star Trek: Deep Space Nine, months later as the Romulan T'Rul in "The Search, Part I" and "The Search, Part II". Soon after, she was approached for yet another role, this time on Star Trek: Voyager, in the role of the treacherous Seska.
Charles Hallahan (1943 – 1997) was a veteran character actor who was cast to play Liam Bilby in the Star Trek: Deep Space Nine episode "Honor Among Thieves". He and actor Nick Tate were both up for the role, but director Allan Eastman (who had suggested Tate for the role) and producer Ira Steven Behr (who suggested Hallahan) chose Hallahan due to his resemblance to Miles O'Brien actor Colm Meaney, which they believed would give the characters a father-son quality to them. Sadly, Hallahan died of a heart attack before production began, and Tate assumed the role in Hallahan's memory. (Star Trek: Deep Space Nine Companion; Find a Grave entry)
Hallahan is best known for his role in John Carpenter's The Thing. His other film credits include Silkwood (1983), Pale Rider (1985), Fatal Beauty (1987, starring Whoopi Goldberg and Harris Yulin), True Believer (1989), Stuart Baird's Executive Decision (1996), and Dante's Peak (1997). He also made guest appearances on shows like Hawaii Five-O, M*A*S*H, Hill Street Blues, Law & Order, Murder, She Wrote, and NYPD Blue and had recurring roles on Hunter, The Paper Chase, and Grace Under Fire.
- Main article: Famke Janssen
Famke Janssen (born 5 November 1965; age 52) is believed to have been offered the role of Jadzia Dax but she turned it down, wanting to focus on a film career rather than television. She had previously played Kamala in the Star Trek: The Next Generation episode "The Perfect Mate". The role of Jadzia Dax eventually went to Terry Farrell. Interestingly the forehead ridges seen on Trill in "The Host" were discarded in favor of spots similar ones seen on Kamala. (Star Trek: Deep Space Nine Companion)
She went on to play Jean Grey in the wildly successful X-Men film franchise (with Patrick Stewart).
James Earl JonesEdit
During a career which spans more than fifty years, Jones appeared in numerous film and television projects. He is probably most famous for voicing the character of Darth Vader (played by David Prowse) in the original Star Wars trilogy and subsequent films and video games – a role which in the radio dramatizations of the films was handled by Brock Peters, who, in fact, played Sisko's father during DS9's run. He also lent his voice to the acclaimed animated feature The Lion King (1994), which also featured the voices of Whoopi Goldberg, Madge Sinclair, Frank Welker, and Brian Tochi. In live-action, Jones played the first African-American president in The Man (1972), which was directed by Joseph Sargent and also featured William Windom, Barry Russo, Garry Walberg, Vince Howard, and music by Jerry Goldsmith. His other feature film credits include Swashbuckler (1976, with Sid Haig and directed by James Goldstone), Exorcist II: The Heretic (1977, with Louise Fletcher), Coming to America (1988, with Madge Sinclair), Three Fugitives (1989, with Alan Ruck, Bruce McGill, and Brian Thompson), The Hunt for Red October (1990, with Gates McFadden and Daniel Davis), Patriot Games (1992, with music by James Horner) and Sommersby (1993, with William Windom). His television credits include guest roles in series such as L.A. Law (starring Corbin Bernsen), Stargate SG-1, and Homicide: Life on the Streets (starring Michelle Forbes). He also appeared in miniseries such as Jesus of Nazareth (1977, with Christopher Plummer) and Roots: The Next Generations (with Percy Rodrigues, Jason Wingreen, Brock Peters, Paul Winfield, Logan Ramsey, Bill Quinn, Patricia Smith, music by Gerald Fried, and partially directed by John Erman).
Eriq La SalleEdit
- See: Eriq La Salle
- Main article: Chase Masterson
Chase Masterson (born 26 February 1963; age 55) auditioned for the role of Mardah, Bajoran Dabo girl and girlfriend to Jake Sisko in "The Abandoned". Actor Avery Brooks, who was directing the episode, did not find their age difference between her and Cirroc Lofton plausible as a love interest for Jake.(Star Trek: Deep Space Nine Companion, p. 238) Nevertheless, producers liked Masterson's playful performance enough that they would later bring back as another Bajoran dabo girl and love interest, Leeta, who, unlike the single-appearance Mardah, would recur in seventeen episode over five seasons.
- Main article: Malcolm McDowell
Malcolm McDowell (born 13 June 1943; age 74) wanted to play a role on Deep Space Nine. He only wanted to appear in an episode directed by his nephew, Alexander Siddig, and after his appearance as Doctor Tolian Soran in Star Trek Generations, he would have to play an alien, which he did not want to do.(citation needed • edit)
- Main article: Tracy Middendorf
Tracy Middendorf (born 26 January 1970; age 48) also auditioned for the role of Mardah in "The Abandoned" (Cinefantastique, vol. 28, no. 4/5, p. 63) though Jill Sayre ultimately won the role. Middendorf would later become the second of three actresses to play Tora Ziyal, appearing once in "For the Cause".
Tim Blake NelsonEdit
Tim Blake Nelson (born 1964) is the American actor, writer and director who auditioned for the role of Quark. Nelson thought the role was a natural fit for him, asserting that he "basically [is] a Ferengi." The part went to Armin Shimerman, which Nelson claimed left him "heartbroken." He began finding steady film work years later with directors such as Joel and Ethan Coen who, according to Nelson, were looking for "Human Ferengis." As Nelson stated, his "Ferengi career came, it just came later." 
Nelson first achieved recognition for his role as Delmar in the Coen brothers' acclaimed 2000 comedy O Brother, Where Art Thou? He has since had supporting roles in such films Steven Spielberg's Minority Report (with Patrick Kilpatrick, Neal McDonough, and George D. Wallace), Holes (with Eric Pierpoint, Jeff Ricketts, and Rick Worthy), Syriana (with Alexander Siddig, Christopher Plummer, Robert Foxworth, and David Clennon), The Astronaut Farmer (starring Virginia Madsen), and 2008's The Incredible Hulk. He has also written and directed such films as 2001's The Grey Zone (based on his own play) and Leaves of Grass (for which he cast Josh Pais).
Michael Nunez, Jr.Edit
- Main article: Tricia O'Neil
- Main article: Iggy Pop
Iggy Pop (born 21 April 1947; age 70) was approached to play Grady in "Past Tense, Part II", but he was unavailable due to a music tour in Spain. (Star Trek: Deep Space Nine Companion, p. 200) Ira Steven Behr, a fan of his work, pushed Iggy Pop to be cast for a role in the series, which resulted in him getting to play Yelgrun in "The Magnificent Ferengi" three years later.
- Main article: Andrew Robinson
Andrew J. Robinson (born 14 February 1942; age 76) originally auditioned for the role of Odo, and was briefly considered for the role of Laas in "Chimera", before they ultimately decided on J.G. Hertzler for the part. The creative staff thought Robinson's voice was unmistakable, and fans of Garak were very protective of the character, and wouldn't allow Robinson to play another role. (Star Trek: Deep Space Nine Companion)
Martin Sheen (born 1940) is the multiple award-winning American actor, who was originally considered for the role of Section 31 operative Luther Sloan in "Inquisition" and consequent episodes. Producers finally chose William Sadler for the part. As Ira Steven Behr explained, "We needed someone who had real power as an actor, who could keep you from jumping to a final conclusion about his character." (Star Trek: Deep Space Nine Companion, p. 553)
Since the early 1960s, Sheen has established himself as a successful actor in both film and television. One of his earliest credits is "Nightmare", a 1963 episode of The Outer Limits, directed by John Erman, written and produced by Joseph Stefano and featuring Willard Sage, Whit Bissell, David Frankham, Bernard Kates, John Anderson, and Vic Perrin as the Control Voice. Also, Fred B. Phillips provided make-ups for the series, while Robert Justman served as first assistant director. His other television credits include episodes of Mission: Impossible ("Live Bait", with Dick Dial and John Crawford), Hawaii Five-O (including "Time and Memories", with Diana Muldaur), The F.B.I. (including "A Second Life", directed by Ralph Senensky and featuring George Sawaya, "Condemned" with James B. Sikking and "The Dynasty" with Ian Wolfe), Medical Center (starring James Daly, including "A Duel with Doom", with Marj Dusay), Columbo, and Two and a Half Men. In 1998 Sheen starred in the television film, Babylon 5: The River of Souls, based on the popular science fiction series running concurrent with Deep Space Nine. This telefilm also featured Tracy Scoggins. Sheen's most famous television role is that of President Josiah Bartlet in the popular series The West Wing, which ran from 1999 to 2006.
In feature films, Sheen has appeared in numerous acclaimed projects, including Francis Ford Coppola's classic Vietnam drama Apocalypse Now (1979), The Final Countdown (1980), Gandhi (1982), The Dead Zone (1983, with Anthony Zerbe), Wall Street (1987, with Saul Rubinek), Gettysburg (1993, with W. Morgan Sheppard), Dilinger and Capone (1995, with F. Murray Abraham, Stephen Davies, Catherine Hicks, Jeffrey Combs, Clint Howard, and Bert Remsen), Catch Me If You Can (2002, with Thomas Kopache and Malachi Throne), and The Departed (2006, with Mark Rolston).
Sheen has also branched out into video games with his portrayal of the Illusive Man in Mass Effect 2 (2010) and Mass Effect 3 (2012), which also featured the voices of Jennifer Hale, Raphael Sbarge, Robin Sachs, Keith Szarabajka, Michael Dorn, Armin Shimerman and Dwight Schultz.
Frank Sinatra, Jr.Edit
Frank Sinatra, Jr. (1944-2016) was an American singer, songwriter, conductor and occasional actor, the son of Frank Sinatra. He was originally approached to play Vic Fontaine during the fourth season, after he turned out to be a fan of the show. Despite finding the role interesting, Sinatra turned it down, saying he only wanted to play an alien character. Finally the role went to James Darren. (Star Trek: Deep Space Nine Companion)
Sinatra is best known as a vocalist and composer, who worked as his father's musical director and conductor from 1988. He also performed successfully with his own acts, touring thirty countries as early as 1968. Alongside his musical career, he occasionally appeared in film and television, including A Man Called Adam (1966, directed by Leo Penn), Zebra Force (1976, featuring Charles Dierkop and Anthony Caruso) and episodes of The Dean Martin Comedy Hour, Mercus Welby M.D., and The Love Boat. He also voiced himself in two episodes of Seth MacFarlane's animated series, Family Guy.
- Main article: Tony Todd
Tony Todd (born 4 December 1954; age 63) was one of the original actors considered for the role of Benjamin Sisko but was beat out by Avery Brooks.(citation needed • edit) Besides appearing as Worf's brother Kurn in episodes of The Next Generation and Deep Space Nine, Todd played Sisko's son, Jake in "The Visitor". He also appeared later as a Hirogen in "Prey". He also provided his voice for a number of Star Trek video games.
- Main article: Robert Walker
Robert Walker (born 15 April 1940; age 77) was approached in 1997 by the producers for a role on the sixth season of Deep Space Nine. He turned down the offer, as he was "not interested in renewing his acting career." (AOL chat, 1997)
- Main article: David Warner
David Warner (born 29 July 1941; age 76) was approached by the producers for the role of Akorem Laan in "Accession". According to Ira Steven Behr, Warner wanted to do the role, but his wife talked him out of it, as they were on a vacation. (Captains' Logs Supplemental - The Unauthorized Guide to the New Trek Voyages)
Previously Warner played three roles in Star Trek: St. John Talbot in Star Trek V: The Final Frontier, Chancellor Gorkon in Star Trek VI: The Undiscovered Country, and Gul Madred in TNG: "Chain of Command, Part I" and "Part II".