Gary Cooper as Lt. John W. Harkness

Jane Greer as Ellie C. Harkness

Millard Mitchell as George Larrabee

Eddie Albert as Lt. Bill Barron

John McIntire as Cmdr. W. R. Reynolds

Ray Collins as Rear Adm. L. C. Tennant

Harry von Zell as Capt. 'Danny' Eliot

Jack Webb as Ens. Anthony 'Tony' Barbo

Richard Erdman as Ens. Chuck Dorrance

Harvey Lembeck as Norelli

Henry Slate as Chief Engineer Ryan

Ed Begley as Post Commander

Charles Bronson as Wascylewski

Jack Warden as Tommy Morse

George Nader as Crew Member

Lee Marvin as Radio Man

Herman Cantor as Naval Captain

Franklyn Farnum as Officer

Joel Fluellen as Officer's Club Waiter

Rory Mallinson as Lieutenant Commander

Biff McGuire as Sailor Messenger

John McGuire as Naval Commander

Norman McKay as Admiral's Aide

Bill McLean as Crew Member

Damian O'Flynn as Doctor

Elsa Peterson as Admiral's Wife

Fay Roope as Carrier Admiral

Charles Tannen as Houlihan

Bernard Kates as Tugboat Sailor