Catherine Hicks (Dr. Gillian Taylor), Mark Lenard (Ambassador Sarek), Jane Wiedlin (Alien Communications Officer Trillya), Grace Lee Whitney (Commander Janice Rand), Robin Curtis (Lieutenant Saavik), Robert Ellenstein (Federation Council President), Vijay Amritraj (Starship captain), Mike Brislane (Saratoga science officer), Scott DeVenney (Bob Briggs), Thaddeus Golas (Controller #1), Richard Harder (Joe), Viola Kates Stimpson (Lady in tour (as Viola Stimpson)), Joe Knowland (Antique-store owner), Everett Lee (Cafe owner), John Miranda (Garbageman #2), Marty Pistone (Controller #2), Nick Ramus (Saratoga helmsman), Phil Rubenstein (Garbageman #1), Bob Sarlatte (Waiter), Michael Snyder (Starfleet communications officer)

Leonard Nimoy, Harve Bennett, Peter Krikes, Steve Meerson, Nicholas Meyer, Gene Roddenberry

Peter Landsdown Smith, Jack T. Collis

Warren Hamilton Jr., Ellen Heuer, Stephen Hunter Flick, Michael J. Benavente, David J. Hudson, Mel Metcalfe, Dan O'Connell, Terry Porter

American Broadcasting Company (ABC), CIC Vídeo, Industrial Light & Magic (ILM), Paramount Home Video, Paramount Pictures