Franco Nero
Yodlaf Peterson
Acting
Tomas Milian
El Vasco
Acting
Jack Palance
John
Acting
Fernando Rey
Prof. Xantos
Acting
Iris Berben
Lola
Acting
José Bódalo
General Mongo Alvarez
Acting
Karin Schubert
Zaire Harris
Acting
Eduardo Fajardo
Colonel
Acting
Gino Pernice
Tourneur
Acting
Tito García
Tiger
Acting
Gérard Tichy
Lieutenant
Acting
Lorenzo Robledo
Captain Jim
Acting
Álvaro de Luna
John's Henchman
Acting
Jesús Fernández
Teenage Xantista
Acting
Claudio Scarchilli
Mexican Officer
Acting
Giovanni Petti
Mexican Border Officer
Acting
Gianni Pulone
John's Henchman
Acting
Rafael Albaicín
Mongo Henchman (uncredited)
Acting
Simón Arriaga
Mongo Henchman (uncredited)
Acting
José Canalejas
Mongo Henchman (uncredited)
Acting
Cantori Moderni Di Alessandroni
Choir Member (uncredited)
Sound
Ramón Fernández Tejela
Xantista (uncredited)
Acting
Víctor Israel
Rosenbloom Henchman with Brown Suit (uncredited)
Acting
José Luis Lizalde
Cantina Barman (uncredited)
Acting
José Marco
Fort Yuma Corporal (uncredited)
Acting
Antonio Padilla
Mongo Henchman (uncredited)
Acting
Joaquín Parra
Mexican Patrol Lieutenant (uncredited)
Acting
Vicente Roca
Rosenbloom Henchman with Tropical Hat (uncredited)
Acting