A team of American parapsychologists travel to Wales to conduct a study of Margam Castle, one of the UK's most haunted buildings.
| Actor | Role |
|---|---|
 Caroline MunroBrenda | Brenda |
 Jane MerrowEdith Withers | Edith Withers |
 Derren NesbittHugh Morgan | Hugh Morgan |
 Vernon DobtcheffEnos | Enos |
 Garrick HagonDean Michaels | Dean Michaels |
| JJudy MathesonAgatha | Agatha |
 Simon BamfordThe Witchfinder General | The Witchfinder General |
 Derek NelsonDerek Nelson | Derek Nelson |
 Mads KoudalRobert Scott | Robert Scott |
 Sara DeeThe Bride | The Bride |
 Jason FarriesBrent Cooper | Brent Cooper |
| AAshton SpearDaniel Barron | Daniel Barron |
| LLee CutlerStern | Stern |
| AAmy QuickAnnie Holzer | Annie Holzer |
| LLance C. FullerKirk Dolton | Kirk Dolton |
| JJordan HollandLydia Albright | Lydia Albright |