Boris Karloff
Carl van Molder / Damballah
Julissa
Anabella Vandenberg
Carlos East
Lt. Andrew Wilhelm
Rafael Bertrand
Capt. Pierre Labesch
Yolanda Montes 'Tongolele'
Kalea
Quintín Bulnes
Klinsor
Santanón
Dwarf
Julia Marichal
Mary Ann Vandenberg
Quintin Miller
Gomez
Ray Markham
Art Direction
Austin McKinney
Director of Photography
Raúl Domínguez
Juan Ibáñez
Producer, Director, Screenplay
Alicia Urreta
Original Music Composer
Jack Hill
Screenplay, Director
Luis Enrique Vergara
Screenplay, Producer