When his brother disappears, a man visits the remote country house where he was last seen. While the host seems outwardly friendly and his niece more demonstrably so, there's a feeling of menace in the air with the overhanging legend of Lavinia Morley, the Black Witch of Greymarsh.
Is Curse of the Crimson Altar on Netflix? Unfortunately the movie Curse of the Crimson Altar is not yet available on Netflix.
| Directing | Vernon Sewell | Director |
| Writing | Mervyn Haisman | Screenplay |
| Writing | Henry Lincoln | Screenplay |
| Production | Tony Tenser | Executive Producer |
| Production | Louis M. Heyward | Producer |
| Writing | H.P. Lovecraft | Novel |
| Costume & Make-Up | Michael Southgate | Costume Design |
| Art | Derek Barrington | Art Direction |
| Writing | Jerry Sohl | Story |
| Production | Gerry Levy | Associate Producer |
| Editing | Howard Lanning | Editor |
| Camera | John Coquillon | Director of Photography |
| Sound | Peter Knight | Original Music Composer |
| Costume & Make-Up | Betty Blattner | Makeup Artist |
| Costume & Make-Up | Ann Fordyce | Hairdresser |
| Costume & Make-Up | Pauline Worden | Makeup Artist |