Wallace Beery

Character: John Thorson

Chester Morris

Character: 'Rocky' Blake

Virginia Grey

Character: Susan Thorson

Douglass Dumbrille

Character: District Commander

Carl Esmond

Character: U-Boat Captain

Clem Bevans

Character: 'Cap' Finch

John Qualen

Character: Milo

Regis Toomey

Character: Ives

Henry Victor

Character: German U-Boat Officer

Addison Richards

Character: Admiral Ross

Hans Joby

Character: U-Boat Petty Officer

Henry Hunter

Character: Ensign Dyer

Jonathan Hale

Character: Admiral Girard

Leon Ames

Character: Recruiting Officer (uncredited)

Arthur Belasco

Character: Fisherman (uncredited)

Joseph E. Bernard

Character: Fisherman (uncredited)

Wade Boteler

Character: Recruiting Officer (uncredited)

Al Bridge

Character: Fisherman (uncredited)

Rand Brooks

Character: Listener (uncredited)

Don Castle

Character: Radio Operator (uncredited)

Jack Chapin

Character: Sailor (uncredited)

Tom Chatterton

Character: Lieutenant (uncredited)

Jack Rube Clifford

Character: Captain (uncredited)

Jules Cowles

Character: Man with Finch (uncredited)

Leigh De Lacey

Character: Mrs. Gill (uncredited)

Joe De Stefani

Character: Fisherman (uncredited)

Edgar Dearing

Character: Petty Officer (uncredited)

Richard Elmore

Character: Lookout (uncredited)

Frank Faylen

Character: Recruiting Officer (uncredited)

Budd Fine

Character: Survivor (uncredited)

Allen Fox

Character: Lookout (uncredited)

Frederick Lee

Character: Sailor (uncredited)

Eddie Hart

Character: Fisherman (uncredited)

Edward Hearn

Character: Fisherman (uncredited)

Howard Hickman

Character: Surgeon (uncredited)

Earle Hodgins

Character: Fisherman (uncredited)

Clarke Jennings

Character: Wireless Operator (uncredited)

Payne B. Johnson

Character: Boy (uncredited)

Charles Jordan

Character: Signalman (uncredited)

Lew Kelly

Character: Sailor (uncredited)

Jack Kennedy

Character: Fisherman (uncredited)

Milton Kibbee

Character: Fisherman (uncredited)

Claire McDowell

Character: Nurse (uncredited)

Larry McGrath

Character: Radio Operator (uncredited)

Roger Moore

Character: Orderly (uncredited)

Philip Morris

Character: Fisherman (uncredited)

Forbes Murray

Character: Naval Aide (uncredited)

Frank Orth

Character: Old Sailor in Bilge Area (uncredited)

Syd Saylor

Character: Wireless Operator Sending Coded Message (uncredited)

Harold Schlickenmayer

Character: Engineer (uncredited)

Ferdinand Schumann-Heink

Character: German Operator (uncredited)

Hans Schumm

Character: German Sailor Looking for Wireless (uncredited)

Harry Semels

Character: Cook on Tugboat (uncredited)

Lee Shumway

Character: Sailor (uncredited)

Robert R. Stephenson

Character: German Sailor (uncredited)

Harry Strang

Character: Shore Patrol Sailor (uncredited)

Walter Thiele

Character: Young German Sailor (uncredited)

Emmett Vogan

Character: Junior Officer Standing by Map (uncredited)

Wolfram Von Bock

Character: German Officer (uncredited)

Hans von Morhart

Character: German Sailor (uncredited)

Doodles Weaver

Character: Sailor (uncredited)