Joey is the other protagonist and narrator, a dedicated athlete who struggles with personal challenges while supporting his siblings. His relationship with Aoife plays a central role as he confronts and seeks to overcome his past.

Teddy is depicted as the antagonist, with a history of abusive behavior that deeply affects his family. His actions have lasting impacts on his children, particularly Joey.

Marie's role in the family is complex, as she endures abuse while also contributing to the family's dysfunction. Her relationship with Joey is fraught with emotional complexity.

Joey's older brother, who becomes estranged from the family, adding to Joey's responsibilities. His past experiences continue to influence the family dynamic.

Joey's sister, who experiences bullying and is the central figure in previous books of the series. Her relationship with Johnny Kavanagh provides support amidst family challenges.

Joey's younger brothers, each reliant on him for care and protection. They mirror his protective instincts and form part of his motivations.

Aoife’s father, who employs Joey and offers him guidance. He grapples with Joey's impact on his daughter, but eventually accepts him as family.

Aoife’s mother, who provides a contrasting parenting style to the Lynch family. Her support helps Aoife through pivotal moments.

Shannon’s boyfriend, who earns Joey's trust by sincerely caring for her. His family offers much-needed stability and support to the Lynch children.

Johnny's parents, who extend kindness and support to the Lynch family, becoming surrogate parents to the children. Their unconditional love plays a crucial role in Joey’s life.