A young American accepts a bet to spend a night in a haunted house in Mayfair.
| Actor | Role |
|---|---|
| LLester FergusonPuce | Puce |
| LLeslie ArmstrongCyril | Cyril |
 Patrick MacneeTony | Tony |
 Jean ShortGeraldine | Geraldine |
 Brenda HoganJulia | Julia |
 Dandy NicholsCharwoman | Charwoman |
 Aubrey MallalieuYokel | Yokel |
| WWilliam MurraySolicitor | Solicitor |
| VVan BoolenHead Warder | Head Warder |