Robert Taylor
Role: Lieut. Gregg Masterman
Charles Laughton
Role: Rear Admiral Stephen Thomas
Brian Donlevy
Role: Lieut. Cmdr. Martin Roberts
Walter Brennan
Role: Chief Yeoman Henry Johnson
Chill Wills
Role: Mate Jenks, Chef-Bootsmann
Marilyn Maxwell
Role: Audrey Carr
Henry O'Neill
Role: Cmdr. Stone M.C
Marta Linden
Role: Mary Collins
Douglass Dumbrille
Role: Capt. Ludlow
Richard Quine
Role: Ensign Lindsay
William Tannen
Role: Flag Lt. Dudley
Douglas Fowley
Role: Ensign Martin
Tim Ryan
Role: Lt. Tim Ryan
Dick Simmons
Role: Lt. (jg) Royce
Byron Foulger
Role: Pharmacist's Mate 'Doc' Miller
Hobart Cavanaugh
Role: Carpenter's Mate 'Chips'
Inez Cooper
Role: Susan Garrison
Ben Welden
Role: Chief Quartermaster Rankin
Harry Fleischmann
Role: Chief Signalman
Douglas Wood
Role: Sen. Masterman (uncredited)
Spec O'Donnell
Role: Jason (uncredited)
Theodore von Eltz
Role: Commander (uncredited)
Elizabeth Russell
Role: Expectant Mother (uncredited)
Hal Le Sueur
Role: Lookout (uncredited)
Robert Kent
Role: Hank Nels (uncredited)
Sam Harris
Role: Senator at Party (uncredited)
William Roberts
Role: Marine Messenger (uncredited)
Frank McLure
Role: Ship Officer (uncredited)
Jim Davis
Role: Talker (uncredited)
Wally Cassell
Role: Talker (uncredited)
James Millican
Role: Talker (uncredited)
Harry 'Snub' Pollard
Role: Sailor (uncredited)
Frank Hagney
Role: Sailor (uncredited)
Duke York
Role: Sailor (uncredited)
Billy Bletcher
Role: Sailor (uncredited)
Harry Wilson
Role: Sailor (uncredited)