Lee Van Cleef as Roy King

James Mason as Francisco Paco Montero

Gina Lollobrigida as Alicia

Simón Andreu as Angel Santos

Diana Lorys as Dolores

Gianni Garko as Ed Pace

Aldo Sambrell as Canales

Eduardo Fajardo as General Duarte

Sergio Fantoni as Colonel Enrique Fierro

Jess Hahn as Tom Odie

Daniel Martín as False Montero

Luis Rivera as Orozco

Lone Fleming as Conchita

José Manuel Martín as Mexican Soldier

Francisco Nieto as

José Riesgo as

Tito García as

Barta Barri as

Vic Albert as

Ricardo Palacios as Mexican Soldier

Carmen Guardón as

Gene Collins as

Robert Lombard as

Carl Rapp as

Dan van Husen as

Allen Russell as

Bruno Sismondi as

Rupert Crabb as Bank Teller

Clovis Dave as

Claudia Gravy as

Tom Power as

David Thomson as