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