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)

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)

Edgar Dearing

Petty Officer (uncredited)

Frank Faylen

Recruiting Officer (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)

Philip Morris

Fisherman (uncredited)

Forbes Murray

Naval Aide (uncredited)

Frank Orth

Old Sailor in Bilge Area (uncredited)

Syd Saylor

Wireless Operator Sending Coded Message (uncredited)

Lee Shumway

Sailor (uncredited)

Harry Strang

Shore Patrol Sailor (uncredited)

Emmett Vogan

Junior Officer Standing by Map (uncredited)

Doodles Weaver

Sailor (uncredited)