Nicholas Guest (born 5 May 1951; age 74) is an actor who played a Starfleet cadet in Star Trek II: The Wrath of Khan.
Guest is the younger brother of actor-comedian and musician Christopher Guest, whose wife Jamie Lee Curtis appeared in Star Trek: Section 31.
Other films in which he appeared include Trading Places (1983, starring Eddie Murphy, with Jamie Lee Curtis, Bill Cobbs and Ron Taylor), National Lampoon's Christmas Vacation (1989, with Natalia Nogulich and Jeremy Roberts), Nemesis (1993, starring Tim Thomerson, with Marjorie Monaghan and Cary-Hiroyuki), and The Joy Luck Club (1993, with Rosalind Chao, France Nuyen, Tamlyn Tomita and Lauren Tom).
However, he is most prolific as a voice actor in films such as Cowboy Bebop: The Movie (2001) and Racing Stripes (2005), animated television shows such as Big O, and video games such as Star Trek: Armada II and Star Trek: Bridge Commander. He also appeared in episodes of Batman: The Animated Series (with Loren Lester and Paul Williams), Batman Beyond (as the brother of Olivia d'Abo's character), The Zeta Project (starring Diedrich Bader, with Richard Libertini and Wil Wheaton), Justice League (with Clancy Brown, Richard McGonagle, Jason Marsden and Mark Rolston) and Justice League Unlimited (with Malcolm McDowell and Douglas Dunning). He also guest-starred in USA High (1998, with Stacie Foster and Lilyan Chauvin).