Selah’s mother, who initially appears focused on maintaining social propriety, but later reveals her own neurodivergence. Her character evolves as she learns to understand and accommodate Selah’s needs.

Selah’s grandfather and mentor, who shares some neurodivergent traits with her and prefers routine and introspection. He provides Selah with validation and encourages her self-expression.

Selah’s closest friend, who offers stability and support while having her own communication struggles. She plays a key role in moments of Selah’s interpersonal growth.

A peer whose unintentional intrusiveness triggers a key conflict in the story, highlighting differences in social expectations. Her journey with Selah underscores themes of understanding and reconciliation.

A member of Selah’s lunch group who subtly bullies Selah through social exclusion and reinforces misconceptions about autism, embodying the societal pressures Selah faces.

A classmate who engages in overt bullying, targeting Selah’s sensory tools and coping strategies. His behavior accentuates the challenges Selah encounters in her school environment.

A supportive teacher who validates Selah’s feelings and encourages her self-expression through poetry. Her guidance represents a compassionate and understanding educational approach.

A teacher who embodies rigid authority by criticizing Selah’s differences and confiscating her sensory tools, representing the challenges of traditional educational systems for neurodivergent students.

The school principal who enforces punitive measures against Selah and represents systemic challenges. His actions underscore the institutional barriers Selah must navigate.

A collective presence marked by noise and indifference, symbolizing the everyday stressors that affect Selah's sensory sensitivities and contribute to her internal conflicts.