Thomas MitchellFrom Wikipedia, the free encyclopedia Thomas Mitchell (July 11, 1892 – December 17, 1962) was an American actor, playwright and screenwriter. Among his most famous roles in a long career are those of Gerald O'Hara, the father of Scarlett O'Hara in Gone with the Wind, the drunken Doc Boone in John FFilmographyPocketful of Miracles (1961)While the City Sleeps (1956)Secret of the Incas (1954)Destry (1954)High Noon (1952)Alias Nick Beal (1949)Silver River (1948)It's a Wonderful Life (1946)The Dark Mirror (1946)Adventure (1945)The Keys of the Kingdom (1944)The Fighting Sullivans (1944)Wilson (1944)Buffalo Bill (1944)Dark Waters (1944)Casanova Brown (1944)The Outlaw (1943)Bataan (1943)Flesh and Fantasy (1943)Immortal Sergeant (1943)The Black Swan (1942)Tales of Manhattan (1942)Moontide (1942)This Above All (1942)Joan of Paris (1942)Out of the Fog (1941)The Long Voyage Home (1940)Our Town (1940)Angels Over Broadway (1940)Gone with the Wind (1939)Mr. Smith Goes to Washington (1939)Stagecoach (1939)Only Angels Have Wings (1939)The Hunchback of Notre Dame (1939)Lost Horizon (1937)Make Way for Tomorrow (1937)The Hurricane (1937)Theodora Goes Wild (1936)Craig's Wife (1936)