James T. Kirk
Spock
Dr. McCoy
Scott
Sulu
Uhura
Pavel Chekov
Clifford Brent / Lieutenant Osborne
Lieutenant Leslie (uncredited) / Lieutenant Ryan (uncredited)
Harrison / Eminiar Guard
Lieutenant Kyle
Christine Chapel / Number One
Galloway / Johnson
Janice Rand
Trelane's Mother (voice) (uncredited) / Commander Loskene (voice)
Warning call from the S.S. Deidre (voice) / Provider #2
Guard (uncredited) / Chekhov's Helper (uncredited)
Lieutenant Hadley (uncredited) / Lieutenant Hadley (voice)
Crewman (uncredited) / Civilian Engineer (uncredited)
Enterprise Crew Member (uncredited) / Enterprise Science Crew Member (uncredited)
Nomad (voice) / Tharn
Announcer / Provider #1
Lt. Palmer / The companion (voice)
DeSalle
