Kirk
Spock
McCoy
Scotty
Chekov
Uhuru
Sulu
Lt. Valeris
Sarek
Excelsior Communications Officer
Admiral Cartwright
Chief in Command
Federation President
Chang
Azetbur (as Rosana DeSoto)
Chancellor Gorkon
Klingon Ambassador
Klingon Defense Attorney
Kerla
Klingon Judge
Klingon Officer
Klingon Commander (as W. Morgan Sheppard)
General Stex
Excelsior Officer
Excelsior Engineer
Excelsior Navigator
Helmsman Lojur
Martia
The Brute
Klingon Translator
Behemoth Alien
First Klingon General
Munitions Man
Young Crewman
Martia as a Child (as Katie Jane Johnston)
Prisoner at Rura Penthe (as Douglas Engalla)
Second Klingon General
Nanclus
Sleepy Klingon
Military Aide
ADC (as Shakti)
Crewman Dax
Federation President's Assistant (uncredited)
Council Member (uncredited)
Starfleet Admiral (uncredited)
Excelsior Crewmember (uncredited)
Starfleet Flag Officer (uncredited)
Romulan (uncredited)
Daz (uncredited)
Klingon (uncredited)
Klingon Officer (uncredited)
Excelsior Crewmember / Klingon Transporter Officer (uncredited)
Rura Penthe Prisoner (uncredited)
Excelsior Crewman (uncredited)
Enterprise-A Crewmember (uncredited)
Vulcan Delegate (uncredited)
Klingon Soldier (uncredited)
Federation President Adviser (uncredited)
Alien Dignitary (uncredited)