Robert Walker Jr.
Charlie Evans
Eddie Paskey
Lieutenant Leslie (uncredited)
Charles Stewart
Captain Ramart
Grace Lee Whitney
Janice Rand
Abraham Sofaer
Thasian (voice)
Frank da Vinci
Clifford Brent
Ron Veto
Harrison
Gene Roddenberry
Enterprise Chef (voice) (uncredited)
Patricia McNulty
Yeoman Tina Lawton
