Alice's 16-year-old daughter, born from a brief romance in Brazil, who often acts as the voice of reason in her mother's life.

Alice's 14-year-old son who is protective and skeptical, but eventually warms up to Frank, the amnesiac.

Alice's youngest daughter at six years old, who gives Frank his name and has a complicated relationship with her distant father.

A Staffordshire bull terrier once owned by a dodgy character, whom Alice takes in.

Alice's 18-year-old greyhound that surprisingly warms up to Frank, signaling to Alice that he might be trustworthy.

A man with amnesia found by Alice, whose journey of rediscovery uncovers a complicated past and personal trauma.

Frank's younger sister, who plays a pivotal role in his backstory during a fateful family vacation in 1993.

Frank and Kirsty's father, who tragically dies trying to save his daughter during a distressing family event.

A Ukrainian woman searching for her husband in the UK, who is revealed to have her own journey of discovery regarding his true identity.

The antagonist with a dark past, whose multiple identities intertwine with both Frank and Lily's stories.

Mark's aunt who harbors uneasy feelings towards him and becomes involved in the novel's complicated events.

Friend to Mark in his new identity as Carl, who ultimately plays a role in supporting Lily during her challenging time.

A journalist for the local newspaper, the Ridinghouse Gazette, who chronicles key events connected to Frank's past.

Alice's best friend who provides crucial support and guidance, especially regarding Alice's challenges with her daughter Romaine.