Director
Lew Landers
DIRECTOR
Budd Boetticher
Writer
Archie Gibbs
WRITER
Aubrey Wisberg
Malcolm Stuart Boylan
Stars (in credits order)
Bruce Bennett
Erik Rolf
Kapitaen Ganz, The U-Boat Captain
John Abbott
Alfonse Lamont
John Wengraf
Gunther Rudehoff, Gestapo Agent
Robert B. Williams
Destroyer Commander Tom Bristol
Sam Ash
Convoy Ship's Engineer (uncredited)
Trevor Bardette
Convoy Ship Commander (uncredited)
Sven Hugo Borg
U-Boat Lt. Dorner (uncredited)
Egon Brecher
Prof. Van der Brek (uncredited)
Frederic Brunn
Kohl (uncredited)
Anthony Caruso
Benny, Seaman's Union Hall Man (uncredited)
Paul Conrad
Convoy Ship Lt. Nolan (uncredited)
Ralph Dunn
American Naval Officer (uncredited)
Carl Ekberg
Guard (uncredited)
George Eldredge
George Acton, Nazi Spy (uncredited)
Eric Feldary
Hans Braustig, Injured Sailor (uncredited)
Arno Frey
U-Boat Officer Hagemann (uncredited)
Terry Frost
Plane Radioman (uncredited)
Jack Gardner
Rinelli (uncredited)
Gene Garrick
Pilot (uncredited)
Frederick Giermann
U-Boat Torpedo Officer Kerck (uncredited)
Fred Graff
Lieutenant Blake (uncredited)
Fred Graham
American Lieutenant (uncredited)
Peter Helmers
Petty Officer (uncredited)
Tom Holland
Robert Homans
Cleric Captain (uncredited)
Erwin Kalser
Prof. Biencawicz (uncredited)
Jimmy Lane
First Lookout (uncredited)
Nelson Leigh
Destroyer Lt. Hagen (uncredited)
Rolf Lindau
Sound Man (uncredited)
George Lloyd
Mack, Seaman's Union Hall Clerk (uncredited)
Kenneth MacDonald
Prof. Hamilton (uncredited)
John Merton
Officer Elsner (uncredited)
Edwin Mills
Wireless Sparks (uncredited)
Frederick Pressel
Depth Sailor (uncredited)
Neil Reagan
Seaman Edwards (uncredited)
Robert L. Stephenson
Steer Man (uncredited)
Ray Teal
C.P.O. Shaw (uncredited)
John Tyrrell
Lt. Howard (uncredited)