Grayson's father’s brother with whom she lives, he experiences a gradual understanding of his niece’s identity and shows his support. He has a complicated relationship with Grayson’s aunt and his own past with his brother.

Grayson’s aunt who struggles to understand and accept Grayson's identity, often making decisions that create tension. She is married to Evan and acts protectively but sometimes harmfully towards Grayson.

Grayson's kind humanities teacher and the director of the school play, he encourages her participation and defends her at school. His decisions regarding Grayson sometimes bring him into conflict with school authorities.

An eighth-grader who befriends Grayson during the school play and supports her through their growing friendship. Known for her unique fashion sense, she plays an important role in Grayson's journey.

Initially a classmate who follows Grayson's bullies, he experiences a change of heart and begins to show empathy. His actions highlight themes of bravery and support.

A group of Grayson's classmates who eventually become her friends and allies, helping to create a sense of belonging. They demonstrate acceptance and friendship throughout the school play.