Cast
Jonathan Hale
Admiral Girard
Howard Hickman
Surgeon (uncredited)
John Qualen
Milo
Charles Jordan
Signalman (uncredited)
Ferdinand Schumann-Heink
German Operator (uncredited)
Chester Morris
'Rocky' Blake
Tom Chatterton
Lieutenant (uncredited)
Lee Shumway
Sailor (uncredited)
Emmett Vogan
Junior Officer Standing by Map (uncredited)
Doodles Weaver
Sailor (uncredited)
Virginia Grey
Susan Thorson
Addison Richards
Admiral Ross
Don Castle
Radio Operator (uncredited)
Jack Rube Clifford
Captain (uncredited)
Earle Hodgins
Fisherman (uncredited)
Joseph E. Bernard
Fisherman (uncredited)
Wade Boteler
Recruiting Officer (uncredited)
Claire McDowell
Nurse (uncredited)
Syd Saylor
Wireless Operator Sending Coded Message (uncredited)
Milton Kibbee
Fisherman (uncredited)
Forbes Murray
Naval Aide (uncredited)
Douglass Dumbrille
District Commander
Clem Bevans
'Cap' Finch
Rand Brooks
Listener (uncredited)
Frank Faylen
Recruiting Officer (uncredited)
Budd Fine
Survivor (uncredited)
Al Bridge
Fisherman (uncredited)
Jules Cowles
Man with Finch (uncredited)
Lew Kelly
Sailor (uncredited)
Wallace Beery
John Thorson
Joe De Stefani
Fisherman (uncredited)
Hans Schumm
German Sailor Looking for Wireless (uncredited)
Carl Esmond
U-Boat Captain
Leon Ames
Recruiting Officer (uncredited)
Henry Hunter
Ensign Dyer
Harry Strang
Shore Patrol Sailor (uncredited)
Regis Toomey
Ives
Frank Orth
Old Sailor in Bilge Area (uncredited)
Edgar Dearing
Petty Officer (uncredited)
Henry Victor
German U-Boat Officer
Edward Hearn
Fisherman (uncredited)
Roger Moore
Orderly (uncredited)
Harry Semels
Cook on Tugboat (uncredited)