Franco Nero

Character: Yodlaf Peterson

Tomas Milian

Character: El Vasco

Jack Palance

Character: John

Fernando Rey

Character: Prof. Xantos

Iris Berben

Character: Lola

José Bódalo

Character: General Mongo Alvarez

Karin Schubert

Character: Zaire Harris

Eduardo Fajardo

Character: Colonel

Gino Pernice

Character: Tourneur

Tito García

Character: Tiger

Gérard Tichy

Character: Lieutenant

Lorenzo Robledo

Character: Captain Jim

Álvaro de Luna

Character: John's Henchman

Jesús Fernández

Character: Teenage Xantista

Claudio Scarchilli

Character: Mexican Officer

Giovanni Petti

Character: Mexican Border Officer

Gianni Pulone

Character: John's Henchman

Rafael Albaicín

Character: Mongo Henchman (uncredited)

Simón Arriaga

Character: Mongo Henchman (uncredited)

José Canalejas

Character: Mongo Henchman (uncredited)

Cantori Moderni Di Alessandroni

Character: Choir Member (uncredited)

Ramón Fernández Tejela

Character: Xantista (uncredited)

Víctor Israel

Character: Rosenbloom Henchman with Brown Suit (uncredited)

José Luis Lizalde

Character: Cantina Barman (uncredited)

José Marco

Character: Fort Yuma Corporal (uncredited)

Antonio Padilla

Character: Mongo Henchman (uncredited)

Joaquín Parra

Character: Mexican Patrol Lieutenant (uncredited)

Vicente Roca

Character: Rosenbloom Henchman with Tropical Hat (uncredited)