Jacks is portrayed as an enigmatic and untidy noble with mysterious motives that connect closely with Tella's storyline. His role evolves as more is revealed about his intentions and his connection to Tella.

Dante is introduced with striking features and is later revealed to have a significant secret identity connected to the running of Caraval. His character is tied to power and mystery throughout the narrative.

Scarlet is Tella’s overly cautious sister, who previously participated in Caraval and remains protective of Tella. She acts as a caregiver and makes sacrifices for her family.

Elantine is the ruler of the Empire, presented initially as youthful but later shown to be frail in reality. She offers wisdom and guidance to Tella, influencing her journey indirectly through her insights.