Marlon Brando
Lt. Christian Diestl

Montgomery Clift
Noah Ackerman

Dean Martin
Michael Whiteacre

Hope Lange
Hope Plowman

Barbara Rush
Margaret Freemantle

May Britt
Gretchen Hardenberg

Maximilian Schell
Capt. Hardenberg

Dora Doll
Simone

Lee Van Cleef
1st Sgt. Rickett

Liliane Montevecchi
Françoise

Parley Baer
Sgt. Brandt

Arthur Franz
Lt. Green

Hal Baylor
Pvt. Burnecker

Herbert Rudley
Capt. Colclough

Paul Comi
Pvt. Abbott (uncredited)

John Alderson
Cpl. Kraus (uncredited)

John Banner
German Town Mayor (uncredited)

Milton Frome
Draft Board Physician (uncredited)

Sam Gilman
Pvt. Faber (uncredited)

L.Q. Jones
Pvt. Donnelly (uncredited)

Alberto Morin
Bartender (uncredited)

Norbert Schiller
German Civilian with Town Mayor (uncredited)

Harvey Stephens
Brig. Gen. Sam Rockland (uncredited)

Stephen Bekassy
German Major (uncredited)

Dagmar Biener
Minor Role (uncredited)

Julian Burton
Pvt. Brailsford (uncredited)

Robert Burton
Col. Mead (uncredited)

Ann Codee
French Woman (uncredited)

Robert Ellenstein
Rabbi Joseph Silverstein (uncredited)

Harry Ellerbe
Draft Board Chairman (uncredited)

Milton Frome
Burn (uncredited)

Norman Grabowski
Barracks Inspection Private (uncredited)

Kurt Katch
Camp Commandant (uncredited)

Kenner G. Kemp
Officer at Bar (uncredited)

George Meader
Milkman (uncredited)

Gordon Mitchell
Minor Role (uncredited)

Monty O'Grady
Bar Patron (uncredited)

Michael Pataki
Pvt. Hagstrom (uncredited)

Otto Reichow
Bavarian (uncredited)

Gene Roth
Bavarian Café Manager (uncredited)

Henry Rowland
Sergeant (uncredited)

Jeffrey Sayre
Drunk (uncredited)

Vaughn Taylor
John Plowman (uncredited)

Ivan Triesault
German Colonel (uncredited)