Jock Mahoney
Commander Harold 'Alan' Roberts
Shirley Patterson
Margaret 'Maggie' Hathaway
William Reynolds
Lt. Jack Carmen
Henry Brandon
Dr. Carl Hunter
Douglas Kennedy
Capt. Burnham
Phil Harvey
Machinist's Mate Steve Miller
Kenner G. Kemp
Officer at Briefing / Officer on Ship (uncredited)
Bing Russell
Radio Operator (uncredited)
