An 11-year-old girl who quickly befriends Margaret and is focused on growing up quickly, often influencing Margaret with her assertive personality. Nancy leads a group of friends called the Four Pre-Teen Sensations and has strong opinions on appearance and maturity.

Margaret's paternal grandmother, deeply loving and doting, who occasionally oversteps boundaries with her son and daughter-in-law. She showers Margaret with attention and gifts, often expressing a desire for Margaret to embrace the Jewish faith.

Margaret's understanding and patient parents from different religious backgrounds, committed to allowing Margaret to decide her own religious path. They have experienced family conflicts due to their interfaith marriage but remain supportive of each other and their daughter.