Olive's stepbrother, who initially appears distant and is deeply affected by the loss of his dog, with a tendency to find comfort in familiar routines and objects.

A self-assured and entrepreneurial friend of Olive's at Macklemore, who supports Olive's dreams and suggests solutions for accessibility challenges.

Olive's supportive parents, with Mama being assertive and loving, while Jupiter is gentle and encouraging of Olive's potential.

Educators at Macklemore; Mrs. Matheson and Ms. Pigeon initially present challenges to inclusivity, while Mr. Watson and Miss Snow support Olive's passions with warmth and kindness.