Evie MacDonald (Hannah Bradford), Joanne Hunt (Amanda Bradford, Hannah's mother), Brenna Harding (Ms. Fraser, Hannah's high school Mathematics teacher), Anthony Brandon Wong (Mr. Nguyen, the principal of Hillview High School), Mark Saturno (Steve Bradford, Hannah's father), Ethan Gifford (Jack Bradford, Hannah's older brother), Elena Liu (Olivia, a friend of Hannah's), Nandini Rajagopal (Natalie, a new friend of Hannah's), Arwen Diamond (Jasmine, a new friend of Hannah's), Isabel Burmester (Isabella, a former primary school student who recognises Hannah), and Jake Childs (Sarah, a classmate of Hannah's struggling with her own gender identity).
