Debra is Jennette’s mother who pushes her into acting to achieve her unfulfilled dreams. She exhibits volatile and controlling behavior, heavily influencing Jennette's life and decisions. Her relationship with Jennette is central to the book's narrative, marked by her emotional dependency and disturbing conduct.

Mark is Jennette’s father, who is largely absent and emotionally withdrawn. He is resigned to his wife's behavior and only later reveals he is not Jennette's biological father. Their relationship continues with some awkwardness after this revelation.

Miranda is Jennette's iCarly co-star and becomes her close friend. Despite their friendship lacking physical or verbal affection, Miranda is a figure of support for Jennette and represents a positive aspect of her time during the show.

Steven is a love interest of Jennette, whom she meets on set in Toronto. Their relationship provides genuine intimacy and is a distraction from her eating disorder. Steven’s mental health issues and substance use contribute to their breakup, paralleling Jennette’s progress in recovery.

Jennette’s maternal grandfather expresses concern for her well-being and attempts to protect her, fearing she is missing out on a normal childhood. He acts as a caregiver for Debra during her illness and is noted for his nurturing instincts.