Other titles: Isle of the Living Dead | A Serpente do Terror | Isle of the Snake People | Cult of the Dead | Todeskult | Gli adoratori della morte | Kult umarłych | O Culto dos Mortos | Люди-змеи | Isla de los muertos | Vudú mortal | Snake People
Year Released: 1971
Month released: March
Cast: Boris Karloff, Carlos East, Julia Marichal, Julissa, Martinique, Quintín Bulnes, Quintin Miller, Rafael Bertrand, Santanón, Tongolele, Yol Duhalt
Additional Crew: Albert Trifol, Enrique Jordá, Fernando De Luis, Glòria Roig, Jerry Petty, José Ángel de Juanes, Luis Posada Mendoza, María Luisa Solá, Marta García, Miguel Ángel Jenner, Mike Garzon, Raul G. Manjarrez, Richard H. Dunlai, Salvador Vives, Stillman Segar
Camera and electrical department: Ciro, Frank Ruttencutter, Jim Enochs, Larry Lapointe, Mindaugus Bagdon
Colorization: Color
Costume department: Richard Bruno
Distributors: CMV Laservision, Columbia Pictures, Edel Media & Entertainment, Gemini Entertainment, Horror International, Image Entertainment, Jaguar Video, Madison Home Video, MPI Home Video, Music Video Distributors (MVD), Navarre Entertainment, Passport Video, Punto Zero, Retromedia Entertainment, Rhino Home Video, Showtime DVD, Something Weird Video (SWV), Tubi TV, Unicorn Video, United American Video, Ventura Distribution
Editors: John Mungea
Music Department: Enrico C. Cabiati
Script and Continuity Department: John Buono
Set Decorators: Robert Vincent O'Neil
Special Effects: Ross Hahn
