Cmdr. Mike Halstead
Tony Russel
Lt. Connie Gomez
Lisa Gastoni
Capt. Jacques Dubois
Michel Lemoine
Lt. Jake Jacowitx
Franco Nero
Capt. Jaques Dubois
Carlo Giustini
Ken
Enzo Fiermonte
Lt. Fina Marlie
Linda Sini
Capt. Tice
Nando Angelini
Gamma 1 Hostess
Corinne Fontaine
Gen. Paul Maitland
Umberto Raho
Duvall
Goffredo Unger
Writer
Renato Moretti
Original Music Composer
Angelo Francesco Lavagnino
Director
Antonio Margheriti
Producer
Ivan Reiner
Editor
Otello Colangeli
Script Supervisor
Eva Koltay
Joseph Fryd
Set Decoration
Franco Calabrese
Costume Design
Berenice Sparano
Production Design
Piero Poletto
Director of Photography
Riccardo Pallottini