Jack Radcliff is a fictional character from the 2021 film "The Last Duel," directed by Ridley Scott. He is portrayed by actor Matt Damon and serves as one of the central figures in the story, which is set in medieval France. The film explores themes of honor, betrayal, and the complexities of truth through the lens of a historical duel. In the narrative, Jack Radcliff is a knight who faces a moral and ethical dilemma when his wife, Marguerite de Carrouges, accuses another knight of a grave crime. The story unfolds through multiple perspectives, highlighting the societal norms and challenges faced by women during that era.