Directed by
| Daniel Haller | ... | (directed by) |
Writing Credits
| Jerry Sohl | ... | (screenplay by) |
| H.P. Lovecraft | ... | (from "The Colour Out of Space") |
Cast (in credits order) complete, awaiting verification
| Boris Karloff | ... | Nahum Witley | |
| Nick Adams | ... | Stephen Reinhart | |
| Freda Jackson | ... | Letitia Witley | |
| Suzan Farmer | ... | Susan Witley | |
| Terence de Marney | ... | Merwyn | |
| Patrick Magee | ... | Dr. Henderson | |
 |
Paul Farrell | ... | Jason |
| Leslie Dwyer | ... | Potter | |
| Harold Goodwin | ... | Taxi Driver (UK version) | |
| Sydney Bromley | ... | Pierce | |
| Billy Milton | ... | Henry | |
| Sheila Raynor | ... | Miss Bailey (UK version) | |
| Rest of cast listed alphabetically: | |||
| Gretchen Franklin | ... | Miss Bailey (uncredited) | |
|
|
George Moon | ... | Taxi Driver (uncredited) |
Produced by
| Samuel Z. Arkoff | ... | executive producer |
| Pat Green | ... | producer (produced by) |
| Louis M. Heyward | ... | co-producer (uncredited) |
| James H. Nicholson | ... | executive producer |
Music by
| Don Banks | ... | (music composed by) |
Cinematography by
| Paul Beeson | ... | director of photography |
Editing by
| Alfred Cox | ||
Art Direction by
| Colin Southcott | ||
Makeup Department
| Jimmy Evans | ... | makeup artist |
| Bobbie Smith | ... | hairdresser |
Second Unit Director or Assistant Director
| Dennis Hall | ... | assistant director |
Sound Department
| Alan Corder | ... | sound editor |
| Bob Jones | ... | sound recordist (as Robert Jones) |
| Ken Rawkins | ... | sound recordist |
| Alban Streeter | ... | sound editor |
| Jim Hopkins | ... | assistant sound editor (uncredited) |
Special Effects by
| Ernie Sullivan | ... | special effects |
| Wally Veevers | ... | special effects |
Visual Effects by
| Doug Ferris | ... | matte artist (uncredited) |
| Peter Melrose | ... | matte artist (uncredited) |
Camera and Electrical Department
| Cecil Cooney | ... | camera operator (as R.C. Cooney) |
Costume and Wardrobe Department
| Laurel Staffell | ... | wardrobe mistress |
Music Department
| Philip Martell | ... | musical director |
Script and Continuity Department
| Tilly Day | ... | continuity |
Additional Crew
| Samuel Z. Arkoff | ... | presenter |
| James H. Nicholson | ... | presenter |
| Les Bowie | ... | titles (uncredited) |
| Reynold Brown | ... | movie poster art (uncredited) |
| Tony Tweedale | ... | studio publicist (uncredited) |
