Archie Gibbs
Bruce Bennett
Kapitaen Ganz, The U-Boat Captain
Erik Rolf
Alfonse Lamont
John Abbott
Gunther Rudehoff, Gestapo Agent
John Wengraf
Destroyer Commander Tom Bristol
Robert B. Williams
Convoy Ship Commander (uncredited)
Trevor Bardette
Benny, Seaman's Union Hall Man (uncredited)
Anthony Caruso
Hans Braustig, Injured Sailor (uncredited)
Eric Feldary
C.P.O. Shaw (uncredited)
Ray Teal
Director
Lew Landers
Co-Director
Budd Boetticher
Story
Screenplay
Aubrey Wisberg
Additional Dialogue
Malcolm Stuart Boylan