Lang Jeffries

George Collins

Aurora de Alba

Olga

Rafael Bardem

Professor Calvert

Eleonora Bianchi

Gloria Fernán Osuna

Wladimiro Tuicovich

Ángel Jordán

Moa Tahi

Joe Kamel

Nando Angelini

Gianni Solaro

C.I.A. Manager

Aldo Bonamano

Andrea Scandurra

Rocco Lerro

A lab guardian (uncredited)

Tanio Boccia

Writer

Ángel Serrano

Editor

Mario Moroni

Writer

H. S. Valdés

Writer

Tanio Boccia

Director

Fernando Vitali

Writer

Alberto De Rossi

Writer

Ricardo Torres

Director of Photography

Piero Umiliani

Music

Ángel Forqué

Assistant Director

Mario Casalini

Assistant Director

Ángel Falquina

Assistant Director

Giovanni Stacchini

Special Effects

Armando Loffredi

Sound

Duilio Giustini

Makeup Artist

Giorgio Desideri

Costume Design

Emilia Fernández Cid

Hairstylist

Saverio D'Eugenio

Production Design

Luis Rodríguez

Sound

Luigi Rotolo

General Manager

Antonietta Caputo

Hairstylist

Paolo Prestano

Production Manager

Nicola Tamburo

Set Decoration