Cecelia is Roman Horner’s daughter, characterized by her kindness and generosity. Despite her father's dark legacy, she remains a symbol of goodness and becomes emotionally close to Dom, providing him a sense of peace.

Sean is Dom’s best friend, marked by his empathy, loyalty, and uncompetitive nature. He stands by Dom through thick and thin, sharing in his life's trials and offering him unwavering support.

Tobias is Dom’s older half-brother, who enjoys a life of luxury and exercises authority over their vigilante group, The Ravens. He is a decision-maker whose secretive nature and demands for loyalty create tension with Dom.