George Peppard as Cpl. Chase

Romy Schneider as Regine

Jeanne Moreau as French Woman

George Hamilton as Trower

Peter Fonda as Weaver

Eli Wallach as Sgt. Craig

Albert Finney as Russian Soldier

Vince Edwards as Baker

Melina Mercouri as Magda

Maurice Ronet as French Lieutenant

Rosanna Schiaffino as Maria

Elke Sommer as Helga

Michael Callan as Eldridge

James Mitchum as Grogan

Senta Berger as Trudi

Albert Lieven as Herr Metzger

Marianne Stone as Prostitute at Hotel de Flandre

Peter Vaughan as Policeman

Elizabeth Ercy as Young French Girl

James Payne as German Soldier at Pill Box (uncredited)