A team consisting of a physicist, his wife, a young female psychic and the only survivor of the previous visit are sent to the notorious Hell House to prove/disprove survival after death. Previous visitors have either been killed or gone mad, and it is up to the team to survive a full week in isolation, and solve the mystery of the Hell House.
| Directing | John Hough | Director |
| Production | Albert Fennell | Producer |
| Production | Norman T. Herman | Producer |
| Production | James H. Nicholson | Executive Producer |
| Writing | Richard Matheson | Novel |
| Writing | Richard Matheson | Screenplay |
| Production | Susan Hart | Executive Producer |
| Editing | Geoffrey Foot | Editor |
| Art | Robert Jones | Art Direction |
| Camera | Alan Hume | Director of Photography |
| Costume & Make-Up | Linda DeVetta | Makeup Artist |
| Costume & Make-Up | Patricia McDermott | Hairstylist |
| Sound | Delia Derbyshire | Original Music Composer |
| Sound | Brian Hodgson | Original Music Composer |
| Sound | Dudley Simpson | Original Music Composer |
| Directing | Bert Batt | Assistant Director |
| Camera | Tony White | Camera Operator |
| Sound | Bill Rowe | Sound Recordist |
| Sound | Les Hammond | Sound Recordist |
| Production | Sally Nicholl | Casting |
