(written from a Production point of view)
Nicole Randall (born 21 May 1975; age 42) is a stuntwoman and stunt actress who played the Tarkalean female in the Star Trek: Enterprise second season episode "Regeneration". She received no credit for her appearance. Her costume was later sold off on the It's A Wrap! sale and auction on eBay. 
Randall was born in Newport Beach, California and was married to fellow stuntman Keith Campbell (2004-2006). Randall is also an accomplished dancer and has performed in live shows such as Elvira, Mistress of the Dark (1997-1998) and Power Rangers World Tour (1994-1996) and was also one of the Los Angeles Lakers girls (1999-2000). She has doubled for stars such as Carmen Electra, Christine Taylor, Allison Hannigan, Kate Beckinsale, Naomi Watts, and Rachel McAdams.
Among her stunt resume are films such as Magic Jersey (1998), Bubble Boy (2001, with Brian George, Cyia Batten, and stunts by Charlie Brewer, Andy Gill, Anita Hart, Steve Kelso, Faith Minton, Katie Rowe, and Spike Silver), The Scorpion King (2002, with The Rock, Branscombe Richmond, Joseph Ruskin, Scott L. Schwartz, Nikki Flux, Rachelle Roderick, and stunts by Craig Baxley, Jr., Peewee Piemonte, Tom Lupo, Jeff Wolfe, Alex Chansky, Thomas DuPont, Anita Hart, Oliver Keller, Bridgett Riley, Lynn Salvatori, and Scott Workman), I Spy (2002, with Malcolm McDowell and Famke Janssen), Underworld (2003, with Scott McElroy and Kevin Grevioux), Dodgeball: A True Underdog Story (2004, with Stephen Root, William Shatner, and stunts by Joey Box, Peewee Piemonte, and Spice Williams-Crosby), Spider-Man 2 (2004, with Kirsten Dunst, Donna Murphy, and Daniel Dae Kim), The Ring Two (2005), Underworld: Evolution (2006), Poseidon (2006), and Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan (2006).
Randall has also performed stunts in television series such as NYPD Blue, ER, Roswell, She Spies, Buffy the Vampire Slayer, Alias, V.I.P., Ghost Whisperer, Power Rangers, Las Vegas (starring Nikki Cox), The Young and the Restless, The Bold and the Beautiful, CSI: Crime Scene Investigation (2001, with Gregg Henry and Glenn Morshower), and CSI: Miami (2003, with Raymond Cruz).