Einsatz im Nordatlantik

Humphrey Bogart

Lt. Joe Rossi

Raymond Massey

Capt. Steve Jarvis

Alan Hale

Boats O'Hara

Julie Bishop

Pearl O'Neill

Ruth Gordon

Mrs. Sarah Jarvis

Sam Levene

Abel 'Chips' Abrams

Dane Clark

Johnnie Pulaski

Peter Whitney

Whitey Lara

Dick Hogan

Cadet Robert Parker

Louis Adlon

German Ensign (uncredited)

Iris Adrian

Jenny O'Hara (uncredited)

Frank Alten

German (uncredited)

Kirk Alyn

Brazilian Gun Captain (uncredited)

C.E. Anderson

Bearded Lieutenant Commander (uncredited)

Tod Andrews

Ahearn (uncredited)

Louis V. Arco

Submarine Commander (uncredited)

Warren Ashe

U.S. Sailor (uncredited)

Hooper Atchley

Lieutenant-Commander (uncredited)

Irving Bacon

Bartender (uncredited)

Leah Baird

Mother (uncredited)