 William ShatnerAdmiral James T. Kirk | Admiral James T. Kirk |
 Leonard NimoyMr. Spock | Mr. Spock |
 DeForest KelleyDr. Leonard 'Bones' McCoy | Dr. Leonard 'Bones' McCoy |
 James DoohanCmdr. Montgomery 'Scotty' Scott | Cmdr. Montgomery 'Scotty' Scott |
 George TakeiLt. Cmdr. Hikaru Sulu | Lt. Cmdr. Hikaru Sulu |
 Walter KoenigLt. Pavel Chekov | Lt. Pavel Chekov |
 Nichelle NicholsLt. Cmdr. Uhura | Lt. Cmdr. Uhura |
 Stephen CollinsCaptain William Decker | Captain William Decker |
 Persis KhambattaLt. Ilia / The Probe | Lt. Ilia / The Probe |
 Majel BarrettDr. Christine Chapel | Dr. Christine Chapel |
 Grace Lee WhitneyCPO Janice Rand | CPO Janice Rand |
 Mark LenardKlingon Captain | Klingon Captain |
 Billy Van ZandtAlien Boy | Alien Boy |
 Roger Aaron BrownEpsilon Technician | Epsilon Technician |
| GGary FagaAirlock Technician | Airlock Technician |
 Franklyn SealesCrew Member | Crew Member |
 Joel KramerKlingon Crewman | Klingon Crewman |
 David GautreauxCmdr. Branch | Cmdr. Branch |
 John GowansAssistant to Rand | Assistant to Rand |
| HHoward ItzkowitzCargo Deck Ensign | Cargo Deck Ensign |
| JJon Rashad KamalLt. Cmdr. Sonak | Lt. Cmdr. Sonak |
 Marcy LaffertyChief DiFalco | Chief DiFalco |
| MMichele PovillLieutenant | Lieutenant |
| JJeri McBrideTechnician | Technician |
| TTerrence O'ConnorChief Ross | Chief Ross |
| MMichael RougasLt. Cleary | Lt. Cleary |
| SSusan O'SullivanWoman | Woman |
| RRalph BrannenCrew Member | Crew Member |
| RRalph ByersCrew Member | Crew Member |
| PPaula CristCrew Member | Crew Member |
