| Actor | Enzo Fiermonte (as General Norton), Goffredo Unger (as Capt. Frank J. Perkinson), Peter Martell (as Capt. Emil Dubrowski), John Bartha (as Dr. Schmidt), Marco Bogliani (as Lt. Peters), Renato Montalbano (as Gamma 1 Communications Tech #1), Piero Pastore (as Older Officer At Conference), Giuliano Raffaelli (as Schmidt's Associate), Franco Ressel (as Capt. Charles Danton), Nino Vingelli (as Man At Conference), Orlando Pallamari, Calisto Calisti (as Control Room Supervisor ( Uncredited )), Nestore Cavaricci (as Gamma 1 Technician ( Uncredited )), Franco Fantasia (as McIvers ( Uncredited )) |
| Actress | Halina Zalewska (as Janet Norton), Vera Dolen (as Lt. Tina Marley), Maria Pia Conte (as Female Officer At Conference) |
| Assistant | Ruggero Deodato (as 1st Assistant Director), Nino Fruscella (as 2nd Assistant Director) |
| Associate Producer | Walter Manley, Ivan Reiner |
| Creator | Berenice Sparano (as Costume Design), Euclide Santoli (as Make-up) |
| Director | Antonio Margheriti (as Anthony M. Dawson) |
| Director Of Photography | Riccardo Pallottini |
| Film Editor | Otello Colangeli |
| Music | Angelo Francesco Lavagnino |
| Producer | Joseph Fryd, Antonio Margheriti |
| Production Company | Mercury Film International |
| Production Designer | Piero Poletto |
| Starring | Giacomo Rossi Stuart (as Cmdr. Rod Jackson), Ombretta Colli (as Lt. Terry Sanchez) |
| Writer | Ivan Reiner, Renato Moretti |
| Links | https://www.imdb.com/title/tt0059588/?ref_=nv_sr_srsg_0 |
