Santorini: Seasons of Chaos contains 17 characters:
Adonis
Antaeus
Asklepios
Graeae
Hestia
Hydra
Jason
Khione
Kratos
Maenads
Medea
Pandora
Prometheus
Terpsichore
Theseus
Tyche
Urania
It also contains 2 mode cards:
The Golden Fleece
Chaos Reigns