Cal McCluskey - The protagonist, a young Catholic man in Northern Ireland. He struggles with the violent political climate and his involvement with the Irish Republican Army (IRA). Cal is tormented by guilt over his role in the murder of a Protestant police officer, Robert Morton.

Marcella Morton - The widow of Robert Morton, the police officer killed by the IRA, with whom Cal becomes infatuated. Marcella is a Catholic of Italian descent and is depicted as a figure of beauty and kindness, embodying the possibility of redemption and forgiveness for Cal.

Robert Morton - Marcella's husband, whose murder by the IRA is a central event in the novel. Although he appears only through the memories and narratives of other characters, his death profoundly impacts the story.

Shamie McCluskey - Cal's father, who also faces persecution due to his Catholic background. Shamie's relationship with Cal highlights generational differences and the impact of the Troubles on family dynamics.

Crilly - An IRA member and a friend of Cal's, who pressures him into participating in the IRA's violent activities. Crilly represents the aggressive and uncompromising side of the conflict.

Skeffington - Another IRA member, Skeffington plays a more administrative role in the organization. He provides a stark contrast to Cal's internal conflict by showing unwavering commitment to the IRA's cause.

Mrs. Morton - Marcella's mother-in-law, who lives with Marcella and her daughter. She embodies the suffering and resilience of the Protestant community affected by the conflict.