Admiral James T. Kirk

Dr. Leonard 'Bones' McCoy

Captain Montgomery 'Scotty' Scott

Cmdr. Hikaru Sulu

Cmdr. Pavel Chekov

Cmdr. Uhura

Cmdr. Kruge

Lt. Saavik

Ambassador Sarek

Dr. David Marcus

Vulcan High Priestess

Captain Styles

Capt. Esteban

Admiral Morrow

Maltz

Spock...Age 9

Spock...Age 13

Spock...Age 17

Spock at age 25

Captain Spock / Elevator Voice

First Officer

Klingon Gunner #2

Spock's Screams

Starfleet Cadet "Mr. Adventure"

Trainee Foster

Helm Officer

Commander Janice Rand (Woman in Cafeteria)

Bar Waitress (uncredited)

Captain