Lt. Joe Rossi

Humphrey Bogart

Capt. Steve Jarvis

Raymond Massey

Boats O'Hara

Alan Hale

Pearl O'Neill

Julie Bishop

Mrs. Sarah Jarvis

Ruth Gordon

Abel "Chips" Abrams

Sam Levene

Johnnie Pulaski

Dane Clark

Whitey Lara

Peter Whitney

Jenny O'Hara (uncredited)

Iris Adrian

Cadet Robert Parker

Dick Hogan

Ensign Wright (uncredited)

Kane Richmond

German Ensign (uncredited)

Louis Adlon

Rear Adm. Williams (uncredited)

Minor Watson

Caviar Jinks

J.M. Kerrigan

German (uncredited)

Frank Alten

Brazilian Gun Captain (uncredited)

Kirk Alyn

Cecil

George Offerman

German Sub Captain

William von Brincken

Bearded Lieutenant Commander (uncredited)

C.E. Anderson

Goldberg (uncredited)

Chick Chandler

Ahearn (uncredited)

Tod Andrews

Cecil

George Offerman Jr.

Submarine Commander (uncredited)

Louis V. Arco

Lt. Commander

Don Douglas

U.S. Sailor (uncredited)

Warren Ashe

Aherne

Ray Montgomery

Lieutenant-Commander (uncredited)

Hooper Atchley

Pete Larson (uncredited)

Art Foster

Bartender (uncredited)

Irving Bacon

Jake (uncredited)

Glenn Strange

Mother (uncredited)

Leah Baird

Sparks

Creighton Hale

Ed (uncredited)

Joseph E. Bernard

Seaman (uncredited)

Monte Blue

Hennessy (uncredited)

Elliott Sullivan

McGonigle (uncredited)

Alec Craig

U.S. Commander (uncredited)

Stanley Blystone

Norwegian Seaman (uncredited)

Sven Hugo Borg

Capt. Ziemer

Ludwig Stossel

Cecil

Ted Offenbecker

Cherub Joe (uncredited)

Dick Wessel

Seaman (uncredited)

Eddy Chandler

Capt. Carpolis (uncredited)

Frank Puglia

Lieutenant-Commander at Meeting (uncredited)

Alex Chivra

Merchant Marine School Lieutenant-Commander (uncredited)

James Flavin

Signal Man (uncredited)

Eddie Coke

Ship Officer (uncredited)

Hal Craig

German Sailor (uncredited)

Albert D'Arno

German Sailor (uncredited)

George Davis

Capt. La Pricor (uncredited)

Jean Del Val

Murmansk Welcomer (uncredited)

Janna DeLoos

Lieutenant-Commander at Meeting (uncredited)

Eddie Dew

Navy Pilot (uncredited)

Warren Douglas

French Seaman (uncredited)

Arthur Dulac

Sailor (uncredited)

Johnny Duncan

Quartermaster (uncredited)

Ralph Dunn

Dutch Seaman (uncredited)

Carl Ekberg

German Lieutenant-Commander (uncredited)

John Epper

Ensign Speaker (uncredited)

Ross Ford

German (uncredited)

Charles Flynn

Lieutenant-Commander (uncredited)

William Forrest

American Seaman (uncredited)

Eddie Foster

German Pilot (uncredited)

Arno Frey

German Officer (uncredited)

Hans Fuerberg

German Submarine Captain (uncredited)

Frederick Giermann

President Franklin D. Roosevelt (voice) (uncredited)

Art Gilmore

Murmansk Welcomer (uncredited)

Christine Gordon

Unemployed Seaman (uncredited)

Kit Guard

Nazi Submarine Officer (uncredited)

Henry Guttman

Loudmouth Saloon Patron (uncredited)

William Haade

Casino Club Patron at Loudmouth's Table (uncredited)

Eddie Hall

Lieutenant-Commander at Meeting (uncredited)

Lew Hicks

Lieutenant-Commander at Meeting (uncredited)

Stuart Holmes

Canadian Soldier (uncredited)

William Hopper

Ship Officer (uncredited)

Ted Jacques

Tony Gonzales (uncredited)

Lew Kelly

Joe (uncredited)

Fred Kelsey

U.S. Navy Petty Officer (uncredited)

Victor Kilian Jr.

Pilot Johnson (uncredited)

George Kirby

German U-Boat Sailor on Microphone (uncredited)

Kurt Kreuger

Gun Crewman (uncredited)

Glenn Langan

Submarine Radio Operator (uncredited)

Rolf Lindau

Mexican Seaman (uncredited)

Manuel López

English Gun Captain (uncredited)

Anthony Marsh

Major / Seaman (uncredited)

Frank Mayo

Lieutenant-Commander at Meeting (uncredited)

Clyde McAtee

Naval Radio Operator (uncredited)

Edwin Mills

Seaman (uncredited)

Frank Mills

Undetermined Secondary Role (uncredited)

Howard M. Mitchell

Signalman (uncredited)

Dennis Moore

Dispatcher (uncredited)

Jack Mower

Russian Seaman (uncredited)

Rudolf Myzet

German Lieutenant (uncredited)

George N. Neise

German (uncredited)

Kurt Neumann

Lieutenant-Commander at Meeting (uncredited)

William H. O'Brien

Lieutenant-Commander at Meeting (uncredited)

Bob O'Connor

Lieutenant-Commander (uncredited)

Gene O'Donnell

Navy Pilot (uncredited)

George O'Hanlon

Seaman (uncredited)

Paul Panzer

Lieutenant-Commander (uncredited)

Lee Phelps