| Art Director | José Luis Galicia, Jaime Pérez Cubero |
| Assistant Camera | Adolfo Troiani |
| Assistant Director | Vittorio Caronia, Francisco Rodríguez |
| Assistant Editor | Amedeo Moriani |
| Cast | George Hilton (as Richard Steele), Edwige Fenech (as Jane Harrison), Ivan Rassimov (as Mark Cogan), Julián Ugarte (as J.P. McBrian), George Rigaud (as Dr. Burton), Maria Cumani Quasimodo (as Elderly Neighbor), Nieves Navarro (as Barbara Harrison), Marina Malfatti (as Celia Morgan / Mary Weil), Luciano Pigozzi (as Francis Clay), Dominique Boschero (as Jane's Mother), Lisa Leonardi (as Girl With Dog), Renato Chiantoni (as Mr. Main), Tom Felleghy (as Inspector Smith), Vera Drudi (as Nightmare Woman), Carla Mancini, Gianni Pulone, Harold Coyne (as Journalist (uncredited)), Cesare Di Vito (as Policeman (uncredited)), Victor Harrington (as Man In Police Mugshot (uncredited)), Fred Machon (as Restaurant Customer (uncredited)), Sergio Martino (as Journalist / Policeman (uncredited)), Mary Maxted (as Restaurant Customer (uncredited)), George Oliver (as Cult Member (uncredited)), Joe Phelps (as Policeman (uncredited)), George Spence (as Cult Member (uncredited)), Sara Sperati (as Nurse (uncredited)), Guy Standeven (as Neighbour In Dressing Gown (uncredited)), Bill Westley Sr. (as Policeman (uncredited)) |
| Co-Costume Designer | Silvio Laurenzi |
| Colorist: Digital Remastering | Skipper Martin (as (uncredited)) |
| Costume Design | Giulia Mafai |
| Director | Sergio Martino |
| Distributor | Interfilm (as (1972) (Italy) (theatrical) (dubbed)), Independent-International Pictures (as (1976) (USA) (theatrical) (dubbed)), Frontier Amusements (as (1977) (Canada) (theatrical) (dubbed)), Anthology Film Archives (as (2015) (USA) (theatrical)), Malastrana Film Series (as (2015) (USA) (theatrical) (presents)), Continental Film Distributors (CFD) (as (1972) (Hong Kong) (theatrical)), Interfilm (as (1972) (Italy) (theatrical)) |
| Dubbing Director: English Version | Lewis E. Ciannelli |
| Executive Producer | Ricardo Sanz |
| Film Editor | Eugenio Alabiso |
| Filmed At | De Paolis I.N.C.I.R. |
| Location Manager | Florian Trenker |
| Make-up Artist | Giuseppe Ferranti |
| Music | Bruno Nicolai |
| Music Publisher | Gemelli (as (uncredited)) |
| Musician: Sitar | Alessandro Alessandroni (as (uncredited)) |
| Photography | Miguel Fernández Mila, Giancarlo Ferrando |
| Processing | Technochrome |
| Producer | Mino Loy, Luciano Martino |
| Production Company (An Italian-Spanish Co-Production) | Lea Film, National Cinematografica, Astro C.C. |
| Production Manager | Fabio Diotallevi, Franco Fogagnolo |
| Production Manager: England | Florian Trenker |
| Script Girl | Mirella Malatesta |
| Set Designer | Giorgio Bertolini |
| Sound Engineer | Bruno Zanoli |
| Sound Mixer | Bruno Moreal |
| Soundtrack (????) (Italy) | Digitmovies Alternative Entertainment |
| Still Photographer | Francesco Narducci |
| Title Designer (US Version) | Bob Le Bar |
| Voice Dubbing: Edwige Fenech | Rita Savagnone (as (uncredited)) |
| Voice Dubbing: George Hilton | Pino Colizzi (as (uncredited)) |
| Voice Dubbing: Ivan Rassimov | Luciano De Ambrosis (as (uncredited)) |
| Voice Dubbing: Nieves Navarro | Miranda Bonansea (as (uncredited)) |
| Writer (English Version) | Lewis E. Ciannelli |
| Writer (Screenplay) | Ernesto Gastaldi, Sauro Scavolini |
| Writer (Story) | Santiago Moncada |
| Links | http://www.imdb.com/title/tt0069390 · https://www.grindhousedatabase.com/index.php/All_The_Colors_of_The_Dark |
