A former SVR agent and main character, noted for her beauty and resilience, who is imprisoned in a penal colony but maintains the resolve to escape. Her determination and courage drive her storyline and development.

A former DEVGRU officer characterized by his irreverent humor and loyalty, who assists in operations alongside Court. He is notable for his casual demeanor paired with sharp paramilitary skill.

A former Russian Spetsnaz turned grocery-store clerk and cell leader of a resistance group. He is marked by his youthful appearance and committed to offering resistance against the Russian regime.

The antagonist of the story, a high-ranking officer in the FSB known for his ambition and lack of scruples. He oversees operations at a penal colony and exhibits a personal vendetta against Zoya.

A key CIA figure known for his organizing skills and network, who supports Court and Zack's missions. He maintains communication with them, ensuring their logistics and global reach run smoothly.