A young couple move into a remote country house in the middle of a stone circle. They employ workmen who disturb an ancient menhir, unleashing a supernatural force.
| Actor | Role |
|---|---|
 Peter BowlesPeter | Peter |
| KKate BinchyKatharine | Katharine |
| MMaxine GordonVerity | Verity |
| JJon LaurimoreDr. Hall | Dr. Hall |
 Christopher BlakeRichard | Richard |
 John JuddDave | Dave |