After precipitating the death of a tenant with whom he has been feuding, Squire Fairfield brings the dead man's young daughter to live in Wyvern Manor. Alice grows up thinking the squire is her kind benefactor, and falls in love with one of his two sons.
Unfortunately the movie The Wyvern Mystery is not yet available on HBO Max.
| Directing | Alex Pillai | Director |
| Writing | David Pirie | Writer |
| Writing | Sheridan Le Fanu | Novel |
| Production | Ruth Baumgarten | Producer |
| Production | Gareth Neame | Executive Producer |
| Production | Jim Reeve | Executive Producer |
| Production | Jane Tranter | Executive Producer |
| Sound | Philip Appleby | Original Music Composer |
| Camera | Simon Maggs | Director of Photography |
| Editing | Neil Thomson | Editor |
| Production | Marcia Gresham | Casting |
| Art | Maurice Cain | Production Design |
| Art | Karl Probert | Art Direction |
| Art | Justin Warburton-Brown | Art Direction |
| Costume & Make-Up | Aideen Morgan | Costume Design |
| Costume & Make-Up | Stuart Bray | Makeup Artist |
| Costume & Make-Up | Karen Hartley-Thomas | Makeup Artist |
| Costume & Make-Up | Debbi Salmon | Makeup Artist |
