Credits

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)

Mario Bava

Special Effects, Director of Photography, Co-Director

Odoardo Fiory

Assistant Director

Riccardo Freda

Director, Writer

Mario Serandrei

Editor

Salvatore Billitteri

Editor

Antonio Rinaldi

Gaffer

Lionello Santi

Executive Producer

Sam Schneider

Producer

Bruno Vailati

Producer

Massimo De Rita

Production Manager

Roberto Nicolosi

Original Music Composer

Roman Vlad

Original Music Composer

Carlo Rustichelli

Sound Effects

Maurice Rosenblum

Sound Recordist

Filippo Sanjust

Writer, Costume Design