Paxton, an amateur archeologist, travels to the town of Seaburgh and inadvertently stumbles across one of the lost crowns of Anglia, which, according to legend, protect the county from invasion. On digging the crown up, Paxton is stalked by its supernatural guardian.
Unfortunately the movie A Warning to the Curious is not yet available on HBO Max.
| Writing | Lawrence Gordon Clark | Writer |
| Directing | Lawrence Gordon Clark | Director |
| Production | Lawrence Gordon Clark | Producer |
| Camera | John McGlashan | Director of Photography |
| Writing | M.R. James | Short Story |
| Sound | Ian Pitch | Sound Editor |
| Sound | Richard Manton | Sound |
| Sound | Ron Edmonds | Sound Mixer |
| Costume & Make-Up | Joyce Hammond | Costume Design |
| Editing | Roger Waugh | Editor |
| Costume & Make-Up | Marion Richards | Makeup & Hair |
