After years of war, the Federation and the Klingon empire find themselves on the brink of a peace summit when a Klingon ship is nearly destroyed by an apparent attack from the Enterprise. Both worlds brace for what may be their deadliest encounter.
109 min.
Nicholas Meyer
| William Shatner | Captain James T. Kirk |
| Leonard Nimoy | Mr. Spock |
| DeForest Kelley | Dr. Leonard McCoy |
| Christopher Plummer | General Chang |
| George Takei | Captain Hikaru Sulu |
| James Doohan | Montgomery Scott |
| Walter Koenig | Pavel Chekov |
| Nichelle Nichols | Uhura |
| Mark Lenard | Sarek |
| David Warner | Chancellor Gorkon |
| Kim Cattrall | Lieutenant Valeris |
| Rosanna DeSoto | Azetbur |
| Kurtwood Smith | Federation President |
| Brock Peters | Admiral Cartwright |
| Paul Rossilli | Kerla |
| John Schuck | Klingon Ambassador |
| Iman | Martia |
| Leon Russom | Chief in Command |
| Michael Dorn | Klingon Defense Attorney |
| Robert Easton | Klingon Judge |
| Grace Lee Whitney | Excelsior Communications Officer (Janice Rand) |
| Christian Slater | Excelsior Communications Officer |
| Jeremy Roberts | Excelsior Officer |
| Darryl Henriques | Nanclus |
| Matthias Hues | Second Klingon General |
| Clifford Shegog | Klingon Officer |
| William Morgan Sheppard | Klingon Commander |
| Brett Porter | General Stex |
| Angelo Tiffe | Excelsior Navigator |
| Boris Lee Krutonog | Helmsman Lojur |
| Tom Morga | Brute |
| Todd Bryant | Klingon Translator |
| John Bloom | Behemoth Alien |
| Jim Boeke | Klingon General |
| Michael Snyder | Crewman Dax |
| Denise Lynne Roberts | Bridge Background (uncredited) |