Humphrey Bogart
Lt. Cmdr. Philip Francis Queeg
Robert Francis
Ens. Willis Seward 'Willie' Keith
Van Johnson
Lt. Stephen Maryk
Fred MacMurray
Lt. Thomas 'Tom' Keefer
Katherine Warren
Mrs. Keith
Jerry Paris
Ens. Barney Harding
José Ferrer
Lt. Barney Greenwald
E.G. Marshall
Lt. Comdr. Challee
Arthur Franz
Lt. JG H. Paynter Jr.
James Edwards
Chief Steward Whittaker
Todd Karns
Petty Officer 1st Class Stillwell (uncredited)
Don Dubbins
Seaman 1st Class Urban (uncredited)
Warner Anderson
Capt. Blakely
Whit Bissell
Lt. Comdr. Dickson M.D.
Herbert Anderson
Ens. Rabbit
James Best
Lt. JG Jorgensen
Sam Harris
Graduation Ceremony Attendee (uncredited)
Robert Bray
Court-Martial Board Member
Kenneth MacDonald
Court-Martial Board Member (uncredited)
Paul McGuire
Court-Martial Board Member (uncredited)
Tyler McVey
Court-Martial Board Member (uncredited)
Steve Pendleton
Court-Martial Board Member (uncredited)
Don Keefer
Court Stenographer - Yeoman 1st Class (uncredited)
James Conaty
Dignitary on Dais at Graduation Ceremony (uncredited)
Ted Cooper
Sergeant-at-Arms (uncredited)
Don Dillaway
George - Chauffeur (uncredited)
Frank Losee Jr.
Sailor (uncredited)
Dayton Lummis
Uncle Lloyd (uncredited)
Patrick Miller
Movie Operator (uncredited)
Barry Norton
Ship's Officer (uncredited)
James Todd
Comdr. Kelvey (uncredited)
Bess Flowers
Nightclub patron (uncredited)
Bert Stevens
Nightclub Patron