| Directed by |
Sidney Salkow Ubaldo Ragona |
|
| Screenplay by |
Ubaldo Ragona Richard Matheson |
|
| Based on a novel by |
Richard Matheson |
|
| Cast: | ||
| Dr. Robert Morgan | Vincent Price | |
| Dr. Mercer | Umberto Raho | |
| Executive Producer |
Samuel Z. Arkoff |
|
| Year: | 1964 | |
| Running time: | 86 minutes | |
| Country: | Italy United States | |
| Language: | English | |