Commander Harold 'Alan' Roberts
Margaret 'Maggie' Hathaway
Lt. Jack Carmen
Dr. Carl Hunter
Capt. Burnham
Machinist's Mate Steve Miller
Officer at Briefing / Officer on Ship (uncredited)
Radio Operator (uncredited)
Officer at Briefing (uncredited)
Man at Briefing (uncredited)
Director
Adaptation
Screenplay
Art Direction
Special Effects
Director of Photography
Story
Original Music Composer
Original Music Composer
Makeup Artist
Original Music Composer
Producer
