Captain James T. Kirk

Captain Spock

Dr. Leonard 'Bones' McCoy

Captain Montgomery 'Scotty' Scott

Captain Hikaru Sulu

Cmdr. Pavel Chekov

Cmdr. Uhura

General Chang

Sarek

Chancellor Gorkon

Lieutenant Valeris

Azetbur

Federation President

Admiral Cartwright

Kerla

Klingon Ambassador

Martia

Chief in Command

Klingon Defense Attorney

Klingon Judge

Excelsior Communications Officer (Janice Rand)

Excelsior Communications Officer

Excelsior Officer

Nanclus

Second Klingon General

Klingon Officer

Klingon Commander

General Stex

Excelsior Navigator

Helmsman Lojur

Brute

Klingon Translator

Behemoth Alien

Klingon General

Crewman Dax

Bridge Background (uncredited)