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Thomas Mitchell was an American actor and screenwriter. He is best known for his roles in the films "Stagecoach" (1939), "Gone with the Wind" (1939), and "It's a Wonderful Life" (1946). He won the Academy Award for Best Supporting Actor for his role in "Stagecoach". Mitchell also wrote the screenplays for the films "The Buccaneer" (1938) and "The Long Voyage Home" (1940).