A gathering of friends is thrown into chaos by the opening of a mysterious fiery sinkhole near their secluded holiday home.
| Actor | Role |
|---|---|
| RRoss Mac MahonShane | Shane |
| JJohn Ryan HowardGer | Ger |
 Irene KelleherLucy | Lucy |
| RRuth HayesMarissa | Marissa |
 Mark GriffinRay | Ray |
| CClaire LoyEmma | Emma |
| AAlan RiordanNot listed | Not listed |
| SSeán McGillicuddyJason | Jason |