Calificación
Reparto

Bruce Bennett
Capt. Morgan

Virginia Field
Lida Adams

John Beal
Carl Hansen

Clifford Severn
Sandy Brown

Larry Parks
Gregory

Lloyd Bridges
Bert

Victor Kilian
Otto

Hans Schumm
Cmdr. von Smith

Erik Rolf
Gunther

Eddie Laughton
Radio Operator

Wilhelm von Brincken
U-Boat Officer