James T. Kirk (voice)
Spock (voice)
Leonard McCoy (voice)
Hikaru Sulu (voice)
Uhura (voice)
Montgomery Scott (voice)
Christine Chapel / Starfleet Computer (voice)
Romulan Crewman (voice) (uncredited) / Demos / Dramian Guard (voice) (uncredited)
EM / 3 / Green (voice) (uncredited) / Security Ensign (voice) (uncredited)
Orion lieutenant / Orion ensign (voice) (uncredited) / Romulan Commander (voice) (uncredited)
Cyrano Jones (voice) (uncredited)
Harcourt Fenton Mudd (voice) (uncredited)
Vendorian / Carter Winston (voice) (uncredited)
Asmodeus (voice) (uncredited)
Sarek (voice) (uncredited)
Young Spock (voice) (uncredited)
Young Sepek (voice) (uncredited)
Lara / Vedala Female (voice) (uncredited)
