The heir to Whitfield Industries, who appears emotionally distant but gradually reveals his vulnerabilities, especially through his relationship with Dolly.

Dolly's 13-year-old son, whose summer transformation from social withdrawal to newfound confidence parallels the novel's themes of connection.

Dolly’s father who runs Brick Fish House and is characterized by his reluctance to change after a past business failure.

Dolly’s brother, who requires ongoing care due to a childhood injury and adds comic relief and honesty to the narrative.

Dolly’s sister, whose absence from family responsibilities creates tension, but later displays her own struggles and perspective.

Dolly’s best friend who offers unwavering support, encouraging her to take risks and seek happiness.

Stewart’s mother, an ER doctor who surprises with her compassion and bridges class divides while supporting Dolly in unexpected ways.