It's the 23rd century, and a mysterious alien power is threatening Earth by evaporating the oceans and destroying the atmosphere. In a frantic attempt to save mankind, Kirk and his crew must time travel back to 1986 San Francisco where they find a world of punk, pizza and exact-change buses that are as alien as anything they've ever encountered in the far reaches of the galaxy. A thrilling, action-packed Star Trek adventure!
119 min.
Leonard Nimoy
| William Shatner | Admiral James T. Kirk |
| Leonard Nimoy | Captain Spock |
| DeForest Kelley | Dr. Leonard McCoy |
| Catherine Hicks | Dr. Gillian Taylor |
| James Doohan | Montgomery Scott |
| George Takei | Cmdr. Hikaru Sulu |
| Walter Koenig | Cmdr. Pavel Chekov |
| Nichelle Nichols | Cmdr. Uhura |
| Mark Lenard | Ambassador Sarek |
| Jane Wyatt | Amanda |
| Majel Barrett | Commander Chapel |
| Robert Ellenstein | Federation Council President |
| John Schuck | Klingon Ambassador |
| Brock Peters | Admiral Cartwright |
| Robin Curtis | Lt. Saavik |
| Michael Snyder | Starfleet Communications Officer |
| Kirk R. Thatcher | Punk on Bus |
| Michael Berryman | Starfleet Display Officer |
| Madge Sinclair | Saratoga Captain (uncredited) |
| Grace Lee Whitney | Commander Rand |
| Jane Wiedlin | Alien Communications Officer |
| Vijay Amritraj | Starship Captain |
| Nick Ramus | Saratoga Helmsman |
| Philip Weyland | Tourist (uncredited) |
| Kimberly L. Ryusaki | Tourist (uncredited) |
| Scott Devenney | Bob Briggs |
| Monique DeSart | Madelaine (uncredited) |