David "Dave" Moordigian (born 24 May 1950; age 74) is a retired actor and stuntman, and an active musician who played a Klingon crewman in Star Trek: The Motion Picture.
Moordigian has also played in the films Tom Horn (1980, with Elisha Cook, Bobby Bass, Jim Burk, Gilbert Combs, and Gary Combs) and 48 Hrs. (1982, with Jonathan Banks, Margot Rose, Denise Crosby, and Nick Dimitri), and performed stunts in the film The Last Outlaw (1994, with Richard Fancy and stunts by Tony Brubaker and Webster Whinery). He also appeared in the Dr. Quinn, Medicine Woman episode "Legend II: Vengeance" (1998; with Chad Allen, Barbara Babcock, C.J. Bau, Nicolas Coster, Don McManus, and Robert O'Reilly).
Moordigian also co-wrote such published songs as "Out on My Own" for the film Twice Upon a Time (1983), and the Mel McDaniel B-side "Worn Out Shoe" (1985).