Yael is a seventeen-year-old concentration camp survivor who acts as a covert resistance fighter. Chemical experiments during her childhood left her with the unique ability to shapeshift, allowing her to alter her physical appearance at will. She enters the Axis Tour motorcycle race disguised as the previous year's winner to secure an audience with Adolf Hitler.

Felix is a young German man and the twin brother of the reigning Axis Tour champion. He secretly enters the race to protect his sister from suffering the same fate as their deceased older brother. He struggles to understand the sudden changes in his twin's behavior, completely unaware that a resistance fighter has taken her place.

Luka is a former Axis Tour winner competing to reclaim his title in the grueling motorcycle marathon. With his blond hair and blue eyes, he projects the image of an ideal Aryan youth. He frequently bends strict regime rules, such as smoking, and carries unresolved tension from the previous year's competition.

Dr. Geyer is a high-ranking Nazi physician known as the Angel of Death. He selects young inmates for chemical experiments designed to alter their physical features to match the Aryan ideal. He views his test subjects entirely as scientific material to be molded.

Tsuda Katsuo is an intense Japanese racer competing in the Axis Tour. He carries the heavy expectations of his nation and employs aggressive tactics on the road to maintain his lead. He views the German racers with intense suspicion.

Adolf Hitler rules the Third Reich following Germany's victory in the Second World War. He sponsors the annual Axis Tour to celebrate global dominance and promote the physical superiority of Aryan youth. He represents the ultimate target for the organized resistance movement.

Adele is a renowned female biker who won the previous year's Axis Tour, earning the rare honor of dancing with Adolf Hitler. Her athletic success and Aryan features make her a celebrated figure in the Third Reich. The resistance movement kidnaps her to use her identity for an assassination plot.

Babushka is an elderly Russian woman imprisoned in the same concentration camp as young Yael. She shares her meager food rations and carves a tiny wooden nesting doll to comfort the frightened child. She gives Yael the nickname Volchitsa, instilling a sense of purpose in the young girl.

Mother tries desperately to shield her children from the horrors of their imprisonment after arriving at the concentration camp. When chemical experiments begin to alter her youngest daughter's appearance drastically, she defends the child against other inmates. She ultimately falls victim to a camp-wide fever.

Miriam is Yael's older sister. She takes over the caretaking role after their mother falls ill from a camp-wide fever. When she realizes her younger sister can manipulate the changes to her skin and hair, she formulates a plan to help the young girl escape the compound.

Aaron-Klaus is a teenage runaway and fellow camp survivor who spots Yael's identification numbers during a street scuffle. He brings the young girl into a secret resistance ring hidden beneath a beer hall, offering her safety and education. He harbors deep impatience with the slow progress of the resistance.

Vlad is an experienced resistance operative who operates an alpine training facility. He spends three years teaching spycraft and weaponry to new recruits. He forces his students to confront their deepest fears and past traumas to ensure they remain focused during field missions.

General Reiniger is an undercover resistance fighter operating from within the Nazi high command. He uses his military clearance to gather intelligence and coordinate long-term strategies for dismantling the regime. He eventually assigns the Axis Tour assassination mission.

Henryka is the energetic leader of a resistance cell and a primary strategist against the ruling regime. She functions as a surrogate parent to young operatives, providing food and shelter. She manages the logistical support for covert operations like the Axis Tour substitution.

Ryoko is a Japanese cyclist participating in the Axis Tour. She observes the cutthroat tactics of the male competitors and quietly leaves folded paper sculptures in the barracks along the race route. She attempts to warn other racers of impending danger without drawing attention.

Takeo is a skilled Japanese competitor in the Axis Tour. He carries throwing knives and demonstrates quick thinking during unexpected crises on the dangerous cross-continental road. He prioritizes the safety of his national team.

Commander Vetrov is a Soviet military officer operating in regions outside direct Nazi control. He detains the Axis Tour racers when they cross a high mountain range. He forces the competitors to negotiate for their freedom while balancing his own military orders.

Martin Wolfe is the deceased older brother of the current Axis Tour champion. He previously entered the dangerous cross-continental motorcycle marathon. His death casts a long shadow over his surviving family members and motivates their current actions.