Cipolla Colt

Franco Nero

Onion Stark

Sterling Hayden

Henry 'Jack' Pullitzer

Martin Balsam

Petrus Lamb

Leo Anchóriz

Sheriff

Romano Puppo

'Nerone' Foster

Nazzareno Zamperla

Oblò

Helmut Brasch

Deputy Sheriff

Duilio Cruciani

Cal 'Caligola' Foster

Emma Cohen

Mary Ann

Dick Butkus

Jeff

Enzo G. Castellari

Deputy Sheriff (uncredited)

David Warbeck

Villain with Sunglasses (uncredited)

Antonio Pica

Hal Foster (uncredited)

Massimo Vanni

Buck, Lamb Henchman

Fernando Castro

Dutch Foster

Wal Davis

Zeke

Dan van Husen

Deputy Zachary

Agustín Bescos

Oil Board Member (uncredited)

Xan das Bolas

Sam - Merchant (uncredited)

Charly Bravo

Judd (uncredited)

Alejandro de Enciso

John (uncredited)

Leopold Francis

Mack (uncredited)

Daniel Martín

Jim (uncredited)

George Rigaud

Terrateniente (uncredited)