(written from a Production point of view)
Kimberly L. Ryusaki (born 15 February 1960; age 61) is an actress, costume designer, and stuntwoman who worked as stand-in, background actress on three Star Trek feature films; she was only credited as a stand-in in Star Trek III: The Search for Spock.
Ryusaki is the daughter of stuntman and martial arts expert Bill Ryusaki.
In addition to her role as a stand-in and background actress, Ryusaki helped with the auditions for the recasting of Saavik during the preproduction of Star Trek III: The Search for Spock. (Starlog #80, March 1984, p. 44)
Among her acting resume are the films Punchline (1988, with Cameron Thor, Renna Bogdanowicz, and Mike Starr), Inside Out (1992, with Barbara Alyn Woods), and Da Vinci's War (1993, with Branscombe Richmond, Greg Poland, and stunts by Denney Pierce, Al Goto, and Rex Pierson).
Ryusaki has performed stunts in films such as The Golden Child (1986, with Shakti, Gene LeBell, and stunts by Simone Boisseree, Jeff Cadiente, Phil Chong, Vince Deadrick, Jeff Imada, Felix Silla, Spiro Razatos, and Bernie Pock), Guyver (1991, with Spice Williams and Michael Berryman), Blue Tiger (1994, with Virginia Madsen), and Thursday (1998, with Eugene Collier, Marjean Holden, and stunts by Johnny Martin and Manny Perry).
Her third occupation is in the costume department and her resume includes films such as Da Vinci's War (1993), Hard Vice (1994), and To the Limit (1995).