James Coburn as Lieutenant Christian

Dick Shawn as Captain Lionel Cash

Sergio Fantoni as Captain Oppo

Aldo Ray as Sergeant Rizzo

Giovanna Ralli as Gina Romano

Harry Morgan as Major Pott

Carroll O'Connor as General Bolt

Leon Askin as Colonel Kastorp

Thomas Hunter as American GI #3

Jay Novello as Mayor Romano

Art Lewis as Needleman

Johnny Seven as Vittorio

Joe Lo Presti as Italian Soldier (uncredited)

Rico Cattani as Benedetto

Vito Scotti as Frederico

William Bryant as Minow

Kurt Kreuger as German Captain

Robert Carricart as Cook

Ralph Manza as Waiter

Danny Francis as Bus Boy

Herbert Ellis as Lumpe

Ken Wales as Pfc. Blair

Ken Del Conte as American GI

Thomas Hunter as American GI

Jerry Martin as Villager

Herb Andress as German Lieutenant (uncredited)

Vincent Barbi as Italian Soldier (uncredited)

Mushy Callahan as Minor Role (uncredited)

Noble 'Kid' Chissell as Minor Role (uncredited)

Ted Christy as Minor Role (uncredited)

Vic Christy as Minor Role (uncredited)

Mario Cimino as Italian Villager (uncredited)

Bob Cornwell as Soldier (uncredited)

Carol Daniels as Den Mother (uncredited)

Louise De Carlo as Village Woman (uncredited)

Horst Ebersberg as German Officer (uncredited)

Carl Ekberg as Adolf Hitler (uncredited)

Sondra Farrell as Village Woman (uncredited)

Phil Garris as Italian Soldier (uncredited)

Horst Graf as German Soldier (uncredited)

Raven Grey Eagle as Minor Role (uncredited)

Ivana Kislinger as Italian Girl (uncredited)

Seymour Koenig as Soldier (uncredited)

James Lanphier as Minor Role (uncredited)

Emily LaRue as Village Woman (uncredited)

Karla Most as Italian Girl (uncredited)

Richard Niles as Jeep Driver (uncredited)

Benito Prezia as Italian Soldier (uncredited)

Jeanne Rainer as Village Woman (uncredited)