Director
Antonio Margheriti
DIRECTOR
Writer
Ivan Reiner
WRITER
Renato Moretti
Stars (in credits order)
Tony Russel
Cmdr. Mike Halstead
Lisa Gastoni
Lt. Connie Gomez
Massimo Serato
Mr. Nurmi
Carlo Giustini
Lt. Ken
Franco Nero
Lt. Jake Jacowitz
Enzo Fiermonte
General Paul H. Fowler
Umberto Raho
General Maitland
Vittorio Bonos
Delfos Scientist
Aldo Canti
Gymnasium Victim
Franco Doria
Shrunken Anton Fryd
Margherita Horowitz
Mrs. Fowler
Carlo Kechler
Werner
Rodolfo Lodi
Claridge
Renato Montalbano
Detective
Piero Pastore
Scientist on Planet Delfos
Isarco Ravaioli
Quarters Sergeant
Franco Ressel
Lt. Jeffries
Claudio Scarchilli
Halstead's Pilot
Moa Tahi
Abductor Chief
Victoria Zinny
Vicky Halstead
Calisto Calisti
Dispatcher(uncredited)
Aldo D'Ambrosio
Anton Fryd(uncredited)
Giuliano Dell'Ovo
Astronaut(uncredited)
Lino Desmond
Schneider(uncredited)
Gianni Di Segni
Intern(uncredited)
Alfonso Giganti
Control room technician(uncredited)
Michel Lemoine
(uncredited)
Sandro Mondini
Delfos Scientist(uncredited)
Vezio Natili
Scientist(uncredited)
Giuliano Raffaelli
Francini(uncredited)
Archie Savage
Proteo Theater Performer(uncredited)
Kitty Swan
Abudctor Agent(uncredited)
Goffredo Unger
Charles De Lauty(uncredited)
