Magnus’s father, a notorious con man and criminal, who significantly influences Magnus’s development and worldview. His past actions and relationships with women impact Magnus’s own behavior and choices.

A character with a mysterious past, he forms a deep friendship with Magnus based on shared interests and professional potential. Axel represents a foreign perspective, offering Magnus an alternative vision of loyalty and morality.

Magnus's handler and mentor in the British intelligence community, known for his combat experience and professionalism. He plays a critical role in shaping Magnus’s early career and ideals, feeling deeply betrayed by Magnus’s actions.

Magnus’s wife, whose journey involves discovering her husband’s true nature and the secrets he kept from her. She becomes an active participant in the search for Magnus, seeking to reclaim autonomy over her life.