Deenie’s mother, who is ambitious and controlling, with specific futures planned for each of her daughters that emphasize beauty and academic success. She is deeply involved in Deenie's pursuit of modeling.

Deenie's father, who is more reserved but supportive, offering emotional stability and guidance as Deenie confronts her new circumstances. His approach contrasts with his wife's ambitions, focusing instead on the practical aspects of Deenie’s wellbeing.

Deenie's older sister, known as the “brain” of the family, who is initially distant but becomes more involved as a supportive force when Deenie faces personal challenges. She shares a strained relationship with their mother.

One of Deenie’s best friends, who exemplifies loyalty and acceptance, helping Deenie through various school and personal challenges. She participates in a close-knit, understanding friendship group with Deenie and Janet.

Another one of Deenie's best friends, who shares in school experiences and provides comforting support during Deenie’s difficulties. Her friendship with Deenie and Midge is characterized by mutual care and empathy.

Deenie's romantic interest, who is characterized by his kind attention and understanding nature. His interactions with Deenie depict a supportive peer relationship that encourages her self-confidence.