Teenage Xantista

Jesus Fernandez

Yodlaf Peterson

Franco Nero

Lola

Iris Berben

El Vasco

Tomas Milian

John

Jack Palance

Colonel

Eduardo Fajardo

Prof. Xantos

Fernando Rey

Lieutenant

Gerard Tichy

General Mongo Alvarez

José Bódalo

Zaira

Karin Schubert

Gen. Mongo

Francisco Bodalo

Tourneur

Gino Pernice

John's Henchman

Álvaro de Luna

Tiger

Tito García

Captain Jim

Lorenzo Robledo

Mexican Officer

Claudio Scarchilli

Mexican Border Officer

Giovanni Petti

John's Henchman

Gianni Pulone

Mongo Henchman (uncredited)

Rafael Albaicín

Mongo Henchman (uncredited)

Simón Arriaga

Mongo Henchman (uncredited)

José Canalejas

Xantista (uncredited)

Ramón Fernández Tejela

Rosenbloom Henchman with Brown Suit (uncredited)

Víctor Israel

Cantina Barman (uncredited)

José Luis Lizalde

Fort Yuma Corporal (uncredited)

José Marco

Mongo Henchman (uncredited)

Antonio Padilla

Mexican Patrol Lieutenant (uncredited)

Joaquín Parra

Rosenbloom Henchman with Tropical Hat (uncredited)

Vicente Roca