Humphrey Bogart (Joe Rossi)
Raymond Massey (Capt. Steve Jarvis)
Ruth Gordon (Mrs. Jarvis)
Alan Hale (Boats O'Hara)
Julie Bishop (Pearl)
Glenn Strange (Tex Mathews)
William Von Brincken (German Sub Captain)
Dick Wessel (Cherub)
Ted Offenbecker (Cecil)
James Flavin (Lieutenant Commander)
Irving Bacon (Bartender)
J.M. Kerrigan (Caviar Jinks)
Dick Hogan (Cadet Robert Parker)
Kane Richmond (Ensign Wright)
Chick Chandler (Goldberg)
George Offerman (Cecil)
Donald Douglas (Lt. Commander)
Art Foster (Pete Larson)
Ray Montgomery (Aherne)
Creighton Hale (Sparks)
Elliott Sullivan (Hennessy)
Alec Craig (McGonigle)
Ludwig Stossel (Capt. Ziemer)
Frank Puglia (Capt. Carpolis)
Iris Adrian (Jenny O'Hara)
Sam Levene (Chips Abrams)
Dane Clark (Johnny Pulaski)
Peter Whitney (Whitey Lara)
Minor Watson (Rear Adm. Hartridge)