Seriozha Jackson Leach Seriozha, Anna and Karenin's son, becomes the center of their marital battle. Karenin tells the boy that his mother is dead and refuses to grant Anna either a divorce or custody of Seriozha. Her freedom becomes linked to the abandonment of her son, a sacrifice she is not willing to make. Young Jackson Leach has already established himself in the acting world with appearances in several television and movie productions, including a role in ExxonMobil Masterpiece Theatre's adaptation of Anne Bronte's The Tenant of Wildfell Hall.