Lang Jeffries

George Collins

Acting

Aurora de Alba

Olga

Acting

Rafael Bardem

Professor Calvert

Acting

Eleonora Bianchi

Acting

Gloria Fernán Osuna

Acting

Wladimiro Tuicovich

Acting

Ángel Jordán

Acting

Moa Tahi

Acting

Joe Kamel

Acting

Nando Angelini

Acting

Gianni Solaro

C.I.A. Manager

Acting

Aldo Bonamano

Acting

Andrea Scandurra

Acting

Rocco Lerro

A lab guardian (uncredited)

Acting