Jack Lemmon as Pvt. Hogan

Ernie Kovacs as Capt. Paul Lock

Kathryn Grant as Lt. Betty Bixby

Arthur O'Connell as Col. Rousch

Mickey Rooney as MSgt. Yancy Skibo

Dick York as Cpl. Bohun

James Darren as Pvt. Widowskas

Roger Smith as Cpl. Berryman

William Leslie as Pvt. Grimes

Sheridan Comerate as Sgt. Wilson

L.Q. Jones as Ozark

Jeanne Manet as Madame LaFour

Marilyn Hanold as Lt. Tweedy (uncredited)

Mary LaRoche as Lt. Schmidt (uncredited)

Mary Tyler Moore as Nurse (uncredited)

Bebe Allen as Lt. Johnson (uncredited)

Richard Bull as Military Police Sergeant (uncredited)

Anna Lee Carroll as Lt. Leeming (uncredited)

Joel Collins as Collins (uncredited)

Dick Crockett as Sgt. McCloskey (uncredited)

Kort Falkenberg as Oskar (uncredited)

Ron Gans as Tinneman (uncredited)

Albert Godderis as Old Man (uncredited)

Stacy Graham as Lt. Rosedale (uncredited)

Michael Hagen as Jarvis (uncredited)

William Hickey as Sampson (uncredited)

Maithe Iragui as Odette (uncredited)

Roy Jenson as Hospital Guard (uncredited)

Betsy Jones-Moreland as Lt. Bushey (uncredited)

Henry McCann as Shorty (uncredited)

Joan McKellen as Nurse (uncredited)

David McMahon as MSgt. Pringle (uncredited)

John Mitchum as Enlisted Man (uncredited)

Patricia Morán as Lt. White (uncredited)

Dale Musselman as Sax Player (uncredited)

Bek Nelson as Nurse (uncredited)

Paul Picerni as Pvt. Bullard (uncredited)

William Pierson as Sgt. Perkins (uncredited)

Kathy Reed as Nurse (uncredited)

Otto Reichow as German Prisoner of War (uncredited)

Werner Reichow as Franz (uncredited)

Robert C. Ross as Enlisted Man (uncredited)

Eddie Ryder as Allison (uncredited)

Roy N. Sickner as Hospital Guard (uncredited)

Billy Snyder as Soldier (uncredited)

Rose Wallerstein as Guard (uncredited)