Clint Eastwood

Manco

Lee Van Cleef

Col. Douglas Mortimer

Gian Maria Volonté

El Indio

Luigi Pistilli

Groggy, Member of Indio's Gang

Klaus Kinski

Juan Wild - The Hunchback

Luis Rodríguez

Manuel, Member of Indio's Gang

Benito Stefanelli

Luke 'Hughie'

Aldo Sambrell

Cuchillo

Roberto Camardiel

Tucumcari Station Clerk

Joseph Egger

Old Prophet

Lorenzo Robledo

Tomaso, Indio's Traitor

Dante Maggio

Carpenter in Cell with El Indio

Sergio Mendizábal

Tucumcari Bank Manager

Mario Brega

Niño, Member of Indio's Gang

José Terrón

Guy Calloway, Mortimer's 1st Criminal (uncredited)

José Marco

'Baby' Red Cavanaugh (uncredited)

Frank Braña

Blackie, Member of Indio's Gang (uncredited)

José Canalejas

Chico, Member of Indio's Gang (uncredited)

Antonio Molino Rojo

Frisco, Member of Indio's Gang (uncredited)

Jesús Guzmán

Carpetbagger on Train (uncredited)

Ricardo Palacios

Tucumcari Saloon Keeper (uncredited)

Guillermo Méndez

White Rocks Sheriff (uncredited)

Rosemary Dexter

Mortimer's Sister (uncredited)

Kurt Zips

Hotel Manager (uncredited)

Enrique Navarro

Tucumcari Sheriff (uncredited)

Bruno Corazzari

Poker Player (uncredited)

Antoñito Ruiz

Fernando (uncredited)

Román Ariznavarreta

Half-Shaved Bounty Hunter (uncredited)

Fernando Di Leo

Cigar Smoking Card Player (uncredited)

Eduardo García

Member of Indio's Gang (uncredited)

Sergio Leone

Whistling Bounty Hunter (voice) (uncredited)

Edmondo Tieghi

2nd Agua Caliente Villager Watching Monco (uncredited)

Antonio Montoya

Paco, Member of Indio's Gang (uncredited)

Nazzareno Natale

Paco, Member of Indio's Gang (uncredited)