* Eddie O'Brien: A junior-high-schooler from California who, after being sidelined with polio and spending a year in the hospital, goes back to school wearing metal leg braces. He is determined to overcome the challenges of his disability and maintain a positive attitude.
* Bobby Griffith: Eddie's best friend and a classmate who stands up for him and encourages him to join activities with the other kids, even though he is hesitant due to his disability.
* Helen O'Brien: Eddie's mother, a single parent who is struggling to adjust to her son's disability and provide for her family.
Back Home
* Claudia Hampton: A young woman who has been living in the city and returns home to her family's farm after her father dies unexpectedly. She is struggling with her grief and readjusting to the slower pace and rural lifestyle of her hometown.
* Luke Garrett: Claudia's old boyfriend, who still lives in the town and has been trying to get her back.
* Jesse Hampton: Claudia's younger brother, who is resentful of her return and the changes it brings to the family.