King Henry VIII is the powerful and charismatic ruler whose desires drive much of the plot. Known for his imposing presence and stubborn nature, he is focused on securing a male heir.

Anne Boleyn is a central character whose initial collaboration with Cromwell turns into rivalry. Ambitious and intelligent, she struggles to maintain her position as Queen as she faces rumors and shifting loyalties.

Jane Seymour is a quiet, modest figure who catches Henry's eye and becomes significant due to his desire for a son. She contrasts sharply with Anne and ends up marrying Henry.

Gregory Cromwell is Thomas Cromwell's young son who works with his father and is learning about court politics. Initially innocent and trusting, he gains a more worldly perspective through his father's guidance.

Katherine of Aragon is Henry's first wife who, despite being annulled and isolated, remains steadfast in her beliefs and inspires loyalty in many. She is a proud Spanish princess and devoutly Catholic, known for her refusal to compromise her principles.