A nest of vampires are dependent on the once famous Alchemist, Perenelle Flamel, to retain their immortality. When Sebastian brings home a modern Alchemist, the vampires are in peril and must escape destruction by the Old Blood.
| Actor | Role |
|---|---|
| SSam E. TerrySebastian | Sebastian |
| CCaitlin BlanchardAlison | Alison |
| BBen DixonBernard | Bernard |
| EElania D'ArcyPerenelle | Perenelle |
| TTrevor BradbeerBron | Bron |
| JJanine PurellMary | Mary |
| RRachel McNallyLucy | Lucy |
| GGraham EdgeReggie | Reggie |
| CChris FisherTheos | Theos |
| WWendy LeFayGwendolyn | Gwendolyn |
 Ciarán O'KeeffeNigel | Nigel |
| SStuart MurrayJacimo | Jacimo |