Based in the story by Robert Louis Stevenson, "Olalla" tells the story of a gothic and decadent family of genetic vampires who need human blood to survive, and where incest is the only way to maintain the family line.
| Actor | Role |
|---|---|
 Amy HeskethOlalla / Sister-Mother | Olalla / Sister-Mother |
 Mila JoyaOfelia / Sister | Ofelia / Sister |
| JJac AvilaFelipe / Brother | Felipe / Brother |
| EErix AntoineBruno / Cook | Bruno / Cook |
| MMaria Esther ArteagaAurora / Aunt | Aurora / Aunt |
| EEric CalanchaVillage Leader | Village Leader |
| AAlejandro LoayzaFelipe / Young | Felipe / Young |
| RRoberto LopezEdgar / Uncle | Edgar / Uncle |
| FFermín NúñezAurelio / Uncle | Aurelio / Uncle |