Director
Riccardo Freda
DIRECTOR
Mario Bava
Writer
Filippo Sanjust
WRITER
Stars (in credits order)
John Merivale
Prof. John Fielding
Gérard Herter
Max Gunther
Giacomo Rossi Stuart
Prof. Rodríguez's Assistant
Vittorio André
Prof. Rodríguez
Daniele Vargas
Bob
Arturo Dominici
Nieto
Nerio Bernardi
Police Inspector
Daniela Rocca
Linda
Gail Pearl
Indian Dancer
Armando Annuale
Journalist at Press Conference(uncredited)
Orlando Baralla
Scientist(uncredited)
Mexican at Police Station(uncredited)
Tom Felleghy
Astronomer(uncredited)
Ferruccio Fregonese
Sandro Mondini
Renzo Palmer
Narrator(uncredited)
Renato Terra
Investigating Officer(uncredited)
