Wallace Beery
John Thorson
Chester Morris
'Rocky' Blake
Virginia Grey
Susan Thorson
Douglass Dumbrille
District Commander
Carl Esmond
U-Boat Captain
Clem Bevans
'Cap' Finch
John Qualen
Milo
Regis Toomey
Ives
Henry Victor
German U-Boat Officer
Addison Richards
Admiral Ross
Henry Hunter
Ensign Dyer
Jonathan Hale
Admiral Girard
Leon Ames
Recruiting Officer (uncredited)
Joseph E. Bernard
Fisherman (uncredited)
Wade Boteler
Recruiting Officer (uncredited)
Al Bridge
Fisherman (uncredited)
Rand Brooks
Listener (uncredited)
Don Castle
Radio Operator (uncredited)
Tom Chatterton
Lieutenant (uncredited)
Jack Rube Clifford
Captain (uncredited)
Jules Cowles
Man with Finch (uncredited)
Joe De Stefani
Fisherman (uncredited)
Edgar Dearing
Petty Officer (uncredited)
Frank Faylen
Recruiting Officer (uncredited)
Budd Fine
Survivor (uncredited)
Edward Hearn
Fisherman (uncredited)
Howard Hickman
Surgeon (uncredited)
Earle Hodgins
Fisherman (uncredited)
Charles Jordan
Signalman (uncredited)
Lew Kelly
Sailor (uncredited)
Milton Kibbee
Fisherman (uncredited)
Claire McDowell
Nurse (uncredited)
Roger Moore
Orderly (uncredited)
Forbes Murray
Naval Aide (uncredited)
Frank Orth
Old Sailor in Bilge Area (uncredited)
Syd Saylor
Wireless Operator Sending Coded Message (uncredited)
Ferdinand Schumann-Heink
German Operator (uncredited)
Harry Semels
Cook on Tugboat (uncredited)
Lee Shumway
Sailor (uncredited)
Harry Strang
Shore Patrol Sailor (uncredited)
Emmett Vogan
Junior Officer Standing by Map (uncredited)
Doodles Weaver
Sailor (uncredited)
Hans Joby
U-Boat Petty Officer
Arthur Belasco
Fisherman (uncredited)
Jack Chapin
Sailor (uncredited)
Leigh De Lacey
Mrs. Gill (uncredited)
Richard Elmore
Lookout (uncredited)
Allen Fox
Lookout (uncredited)
Frederick Lee
Sailor (uncredited)
Eddie Hart
Fisherman (uncredited)
Clarke Jennings
Wireless Operator (uncredited)
Payne B. Johnson
Boy (uncredited)
Jack Kennedy
Fisherman (uncredited)
Larry McGrath
Radio Operator (uncredited)
Philip Morris
Fisherman (uncredited)
Harold Schlickenmayer
Engineer (uncredited)
Hans Schumm
German Sailor Looking for Wireless (uncredited)
Robert R. Stephenson
German Sailor (uncredited)
Walter Thiele
Young German Sailor (uncredited)
Wolfram Von Bock
German Officer (uncredited)
Hans von Morhart
German Sailor (uncredited)
