An 11-year-old newcomer to Callum's village, who is raised by her grandfather and initially treated as a social outsider. She forms a close bond with Callum through shared interests in nature and wildlife.

An osprey nesting on Callum's property, important for its narrative perspective and the bond it develops with Callum.

A 10-year-old girl from The Gambia who becomes instrumental in communicating about and aiding in the recovery of Iris. She is facing challenges due to an injury and aspires to become a doctor.

A wildlife expert who assists Callum in learning about ospreys and plays a crucial role in rescuing Iris.

Callum's friend, who initially acts brashly but evolves to show caring actions, especially towards community causes.

Iona’s grandfather, known for being an eccentric and somewhat neglectful guardian. He becomes more involved in the community over time.