•
Luigi Vannucchi: John Fleming • Mario Piave: Dennis Bridger •
Tino Carraro: Professor Ernest Reinhart •
Paola Pitagora: Judy Adamson • Ida Meda: Liz Murray •
Arturo Dominici: Undersecretary for Science Osborne •
Claudio Cassinelli: Harries • Domenico Perna Di Monteleone: Whelan •
Gabriella Giacobbe: Madeleine Dawnay •
Nicoletta Rizzi: Christine/Andromeda • Sandro Tuminelli: Barnett, of Intel •
Franco Volpi: General Watling • Enzo Tarascio: Colonel Geers •
Giampiero Albertini: General Vandenberg •
Edoardo Toniolo: Minister Charles Robert Ratcliff • Guido De Salvi: Major Quadring • Gualtiero Isnenghi: Dr. Hunter • Raffaele Bondini: Egon •
Guido Alberti: Prime Minister • Inisero Cremaschi: Jas. Olboyd • Dino Feretti: Alex == Production ==