The Haunted House of Horror
Teenagers in an old mansion are being murdered one by one. The survivors must discover who among them is the killer before they're all finished off.
| Actor | Role |
|---|---|
 Frankie AvalonChris | Chris |
 Jill HaworthSheila | Sheila |
 Dennis PriceInspector Bill Bradley | Inspector Bill Bradley |
 Mark WynterGary Scott | Gary Scott |
 George SewellBob Kellett | Bob Kellett |
 Gina WarwickSylvia Fuller | Sylvia Fuller |
 Richard O'SullivanPeter | Peter |
| CCarol DilworthDorothy Pulman | Dorothy Pulman |
 Julian BarnesRichard | Richard |
| VVeronica DoranMadge | Madge |
 Robin StewartHenry | Henry |
 Jan HoldenPeggy | Peggy |
 Clifford EarlSgt Pelley | Sgt Pelley |
 Robert RaglanJohn Bradley | John Bradley |
 Vicki MichelleSally (uncredited) | Sally (uncredited) |
 Nicholas YoungParty Guest (uncredited) | Party Guest (uncredited) |