A Christmas gathering turns horrific when a family’s inherited home is discovered to be haunted by a legend known as the Green Monster.
| Actor | Role |
|---|---|
| MMaddison AllardNiamh | Niamh |
 Ian BjornBen | Ben |
 Alex ButlerFowler | Fowler |
 Simon EllisEverett | Everett |
 Daniel JordanArthur Green | Arthur Green |
 Marcus MasseyThe Green Monster | The Green Monster |
| GGraeme MuncerCraig | Craig |
| VValentina PacificoAndi | Andi |
 Kitty SudberySiobhan Flanagan | Siobhan Flanagan |
 Zuza TehanuNina | Nina |
 Jessie VinningOlena | Olena |
| AAngela WildingLeah Flanagan | Leah Flanagan |
| IIsobel ScanlanNot listed | Not listed |