| Actor | Luciano Pigozzi (as La Foret), Franco De Rosa (as Detective Gabon), Aldo De Carellis (as Professor André), Giovanni Di Benedetto (as Di Brazzi), Valentino Macchi (as Policeman), Umberto Papiri (as Simon), Michael Rennie (as Inspector Durand), Nando Angelini (as Blond Policeman ( Uncredited )) |
| Actress | Ludmila Lvova (as Mrs. Clay / Peter Moffat), Vivian Stapleton (as Miss Transfield), Ester Masing (as Miss Martin), Caterina Trentini (as Betty Ann), Silvia Dionisio (as Margaret), Lorenza Guerrieri (as Wendy), Malisa Longo (as Cynthia Fellows), Paola Natale (as Maid) |
| Assistant | Renato Savino (as 1st Assistant Director), Nando Angelini (as 2nd Assistant Director) |
| Creator | Mario Giorsi (as Costume Design), Pierantonio Mecacci (as Make-up) |
| Director | Antonio Margheriti |
| Director Of Photography | Fausto Zuccoli |
| Executive Producer | Giuseppe De Blasio (as Uncredited) |
| Film Editor | Otello Colangeli |
| Music | Carlo Savina |
| Producer | Lawrence Woolner (as Uncredited), Virgilio De Blasi (as Uncredited) |
| Production Company | Super International Pictures, BGA |
| Production Designer | Antonio Visone |
| Screenplay | Antonio Margheriti, Franco Bottari, Mario Bava (as Uncredited), Brian Degas (as Uncredited), Tudor Gates (as Uncredited) |
| Sound | Giuseppe Di Liberto |
| Starring | Mark Damon (as Richard Barrett), Eleonora Brown (as Lucille Moffat), Sally Smith (as Jill), Patrizia Valturri (as Denise) |
| Subject | Giovanni Simonelli |
| Links | https://www.davinotti.com |
