Kevin Costner, a renowned director and actor, shared his insightful approach to character development in movies during a live taping of Josh Horowitz's Happy Sad Confused podcast. Emphasizing the importance of crafting well-rounded characters, particularly strong women who defy genre stereotypes, Costner highlighted the impact of female characters on his storytelling. He praised Sienna Miller's "luminous" performance in his latest project, Horizon: An American Saga, a four-part film series spanning pre-and post-Civil War expansion. Costner expressed his dedication to including strong women characters in his work, acknowledging their significance in engaging audiences and shaping his career. This project marks Costner's return to directing after a 20-year hiatus, showcasing his talent in both filmmaking and acting. With the second part of Horizon: An American Saga set for release in August, Costner continues to captivate audiences with his unique storytelling and character-driven approach.