(written from a Production point of view)
Walter Altman (born 6 May 1952; age 65) is an actor who appeared as a Malon crewmember in the Star Trek: Voyager fifth season episode "Extreme Risk". He received no credit for this appearance and filmed his scene on Tuesday 30 June 1998 on Paramount Stage 16 along with Hamilton Camp. Altman appeared again as a Malon, this time as a Malon hologram in the fifth season episode "Think Tank" for which he filmed his scene on Thursday 7 January 1999 on Paramount Stage 9 and is listed as "Malon Man" on the call sheet.
Beside his appearance on Star Trek, Altman also appeared in the drama Apollo 13 (1995, with David Andrews, Clint Howard, Googy Gress, Max Grodénchik, Brett Cullen, Ned Vaughn, Andy Milder, Geoffrey Blake, Joseph Culp, John Short, Brian Markinson, Steve Rankin, and Tory Christopher) and in the action drama The Perfect Storm (2000, with Bob Gunton, Christopher McDonald, Billy Mayo, and Jim Argenbright) and performed stunts in John Putch's action thriller Intrepid (2000, with Ron Althoff, Brian Avery, John Cade, Jennifer Caputo, Mike Gunther, Chuck Hicks, Dan Koko, Kurt D. Lott, Tom Poster, and Warren A. Stevens).
As production assistant, Altman worked on the television series Love Street (1995), Jack of All Trades (2000, executive produced by Alex Kurtzman and Roberto Orci), Resurrection Blvd. (2000-2002, with Tony Plana, Ray Wise, and Douglas Spain), CSI: Crime Scene Investigation, and V.I.P. (2001, executive produced by Morgan Gendel), Rob Bowman's science fiction film The X-Files (1998, with John Neville, Terry O'Quinn, George Murdock, Carrick O'Quinn, Tom Woodruff, Jr., Steve Rankin, Scott Alan Smith, Michael Krawic, and Randy Hall), the horror film Stigmata (1999, with Thomas Kopache, Tom Hodges, and Jack Donner), the fantasy comedy The Family Man (2000, with Saul Rubinek, Ruth Williamson, Lisa LoCicero, Irene Roseen, and Paul Sorvino), and the comedy Sorority Boys (2002, with Christopher Leps, Monica Staggs, Mark Metcalf, and Bruce French).