Burt Lancaster
1st Sgt. Milton Warden

Montgomery Clift
Pvt. Robert E. Lee 'Prew' Prewitt

Deborah Kerr
Karen Holmes

Donna Reed
Alma 'Lorene' Burke

Frank Sinatra
Pvt. Angelo Maggio

Philip Ober
Capt. Dana Holmes

Mickey Shaughnessy
Cpl. Leva

Harry Bellaver
Pvt. Mazzioli

Ernest Borgnine
Sgt. James R. 'Fatso' Judson

Jack Warden
Cpl. Buckley

John Dennis
Sgt. Ike Galovitch

Tim Ryan
Sgt. Pete Karelsen

Barbara Morrison
Mrs. Kipfer

Claude Akins
Sgt. 'Baldy' Dhom (uncredited)

Don Dubbins
Pvt. Friday Clark (uncredited)

George Reeves
Sgt. Maylon Stark (uncredited)

Jean Willes
Annette (uncredited)

Henry Bean
Minor Role (uncredited)

Willis Bouchey
Army Lieutenant Colonel (uncredited)

John Bryant
Capt. G.R. Ross (uncredited)

Mary Carver
Nancy (uncredited)

John Cason
Cpl. Paluso (uncredited)

Don Dubbins
Pvt. Friday Clark - Bugler (uncredited)

Douglas Henderson
Cpl. Champ Wilson (uncredited)

James Jones
Undetermined Role (uncredited)

Robert Karnes
Sgt. Turp Thornhill (uncredited)

Freeman Lusk
Col. Wood (uncredited)

Tyler McVey
Maj. Stern (uncredited)

Kristine Miller
Georgette - Lorene's Roommate (uncredited)

George Reeves
Undetermined Role (uncredited)

Fay Roope
Gen. Slater (uncredited)

Alvin Sargent
Nair (uncredited)

Joseph Sargent
Soldier (uncredited)

Joan Shawlee
Sandra (uncredited)

Al Silvani
Soldier Leaving New Congress Club (uncredited)

Angela Stevens
Jean (uncredited)

Robert J. Wilke
Sgt. Henderson (uncredited)

Jean Willes
Annette - Club Receptionist (uncredited)

Carleton Young
Col. Ayres (uncredited)