A young woman is terrorized by her fiance's demented mother who blames her for her son's death.
Unfortunately the movie Fanatic is not yet available on HBO Max.
| Directing | Silvio Narizzano | Director |
| Writing | Richard Matheson | Screenplay |
| Writing | Anne Blaisdell | Novel |
| Production | Anthony Hinds | Producer |
| Sound | Wilfred Josephs | Original Music Composer |
| Camera | Arthur Ibbetson | Director of Photography |
| Editing | John Dunsford | Editor |
| Art | Peter Proud | Production Design |
| Costume & Make-Up | Mary Gibson | Wardrobe Master |
| Costume & Make-Up | Roy Ashton | Makeup Artist |
| Costume & Make-Up | Richard Mills | Makeup Artist |
| Directing | Claude Watson | Assistant Director |
| Sound | Roy Hyde | Sound Editor |
| Sound | Philip Martell | Music Supervisor |
| Editing | James Needs | Supervising Editor |
| Directing | Renée Glynne | Continuity |
| Sound | Ken Rawkins | Sound Recordist |
| Camera | Paul Wilson | Camera Operator |
| Production | George Fowler | Production Manager |
| Costume & Make-Up | Olga Angelinetta | Hairstylist |
