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