Thomas Mitchell (actor)Thomas John Mitchell (July 11, 1892 – December 17, 1962) was an American actor. Among his most famous roles in a long career are those of Gerald O'Hara in ''Gone with the Wind'', Doc Boone in ''Stagecoach'', Uncle Billy in ''It's a Wonderful Life'' and Mayor Jonas Henderson in ''High Noon''. Mitchell was the first male actor to win an Oscar, an Emmy, and a Tony Award.
Nominated twice for an Oscar, first for ''The Hurricane'' (1938), he won the Best Supporting Actor award for ''Stagecoach'' (1939); later, he would be nominated three times for an Emmy Award. He was nominated twice, in 1952 and 1953, for his role in the medical drama ''The Doctor'', winning the Lead Actor Drama award in 1953. Nominated again in 1955, for an appearance on a weekly anthology series, he did not win. Mitchell won the Tony for Best Actor in a Musical, in 1953, for his role as Dr Downer in the musical comedy ''Hazel Flagg'', based on the 1937 Paramount comedy film ''Nothing Sacred'', rounding out the Triple Crown of Acting. In addition to being an actor, he was also a director, playwright, and screenwriter. Provided by Wikipedia