Jack Palance

William Bates

Joan Collins

Sonia Kendall

Manuel de Blas

John McKenzie

Ricardo Palacios

Joe - Barkeeper

Remo De Angelis

Hank McKenzie

Attilio Dottesio

Father

Elisabetta Virgili

Mary Chambers

Fernando E. Romero

Jim Chambers

José Canalejas

Bates' Henchman

Francesco Bertuccioli

Editor

Elliot Geisinger

Producer

Joseph Allegro

Producer

Gianfranco Baldanello

Director

Jack London

Novel

Stelvio Cipriani

Original Music Composer

Juan Logar

Screenplay

Jesús Rodríguez

Screenplay

Harry Alan Towers

Co-Producer

Remo De Angelis

Stunt Coordinator

Elliot Geisinger

Screenplay

José F. Aguayo Jr.

Director of Photography

John Fonseca

Screenplay