James Coburn

Colonel Pembroke

Bud Spencer

Eli Sampson

Telly Savalas

Major Ward

Reinhard Kolldehoff

Sergeant Brent

José Suárez

Maj. Charles Ballard

Francisco Sanz

Farmer

Ángel Álvarez

Scully the Monger

Mario Pardo

Roger, Farmer's Son

Ugo Fangareggi

Ted Wendall

Concha Rabal

Benito Stefanelli

Samuel Piggott

Guy Mairesse

Donald McIvers

Alejandro de Enciso

Fabrizio Moresco

Ward's Assistant

Adolfo Lastretti

Will Fernandez

Turam Quibo

Apache

Carla Mancini

Joe Pollini

Union Sergeant

Georges Géret

Sergeant Spike

Sharin Sher

April

David Landau

Angelo Casadei

Soldato (uncredited)