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Thomas Cromwell, the protagonist of Hilary Mantel's historical novel "Wolf Hall," is masterfully portrayed by Mark Rylance in the television adaptation. Rylance's portrayal captures Cromwell's rise from humble origins to become a powerful and influential figure in the court of King Henry VIII. With his sharp intellect, political acumen, and unwavering loyalty to the crown, Cromwell navigates the treacherous waters of Tudor politics, ultimately shaping the course of England's history.