Riccardo Freda
Director
Mario Bava
Special Effects
Salvatore Billitteri
Editor
Mario Bava
Director of Photography
Filippo Sanjust
Writer
Roberto Nicolosi
Original Music Composer
Sam Schneider
Producer
Bruno Vailati
Producer
Mario Bava
Co-Director
Mario Serandrei
Editor
Roman Vlad
Original Music Composer
Filippo Sanjust
Costume Design
Massimo De Rita
Production Manager
Odoardo Fiory
Assistant Director
Carlo Rustichelli
Sound Effects
Maurice Rosenblum
Sound Recordist
Antonio Rinaldi
Gaffer
Riccardo Freda
Writer
Lionello Santi
Executive Producer
John Merivale
Dr. John Fielding
Didi Sullivan
Ellen Fielding
Gérard Herter
Max Gunther
Daniela Rocca
Linda
Vittorio André
Prof. Rodriguez
Daniele Vargas
Bob
Nerio Bernardi
Police Inspector
Giacomo Rossi Stuart
Prof. Rodriguez's Assistant
Gail Pearl
Indian Dancer
Tom Felleghy
Astronomo
Arturo Dominici
Nieto
Mario Bava
Mexican at police station (uncredited)
Renzo Palmer
Narrator (voice)
Leslie Daniels
Prof. John Fielding (voice)
Renato De Carmine
Prof. John Fielding (voice)
Stefano Sibaldi
Max Gunther (voice)
Michele Malaspina
Prof. Rodriguez (voice)
Rolf Tasna
Bob (voice)
