Characters played by Anthony Steffen
Lt. Garringo
Characters played by Peter Lee Lawrence
Johnny
Characters played by Solvi Stubing
Julie
Characters played by José Bódalo
Sheriff Klaus
Characters played by Raf Baldassarre
Damon
Characters played by Luis Marín
Pete
Bounty Hunter
Characters played by María Salerno
Nancy Grayson
Characters played by Barta Barri
Wilson
Characters played by Antonio Molino Rojo
Harriman
Characters played by Rossana Rovere
Sarah
Characters played by Lorenzo Robledo
Deputy Sheriff Tom
Characters played by Luis Induni
Dr. Grayson
Characters played by Guillermo Méndez
Johnny's Henchman
Characters played by Frank Braña
Bill
Characters played by Brad Harris
Unknown
Characters played by Xan das Bolas
Potter
Characters played by Beni Deus
Padre de Johnny
Characters played by Tito García
Ted
Characters played by Rafael Hernández
Militar
Characters played by A. Lawrence
Johnny de niño
Characters played by Ángel Menéndez
Coronel
Characters played by Mario Morales
Telegrafista
Characters played by José Moreno
Fred
Characters played by Maribel del Pozo
Julie de niña
Characters played by Alfonso Rojas
Coronel
Characters played by Carlos Romero Marchent
Bob
Characters played by Santiago Santos
Amigo de Sam y Bill