Charley Grapewin
Charles Ellsworth Charley Grapewin was an American vaudeville performer, writer and a stage and silent and sound actor, and comedian who portrayed Aunt Ems husband, Uncle Henry in MetroGoldwynMayers The Wizard of Oz in grayscale and blackandwhite, as well as Jeeter Lester in the film version of Tobacco Road and Grandpa Joad in the film The Grapes of Wrath . He usually portrayed elderly folksytype characters in a rustic setting, in all appearing in over 100 films.
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Source: Wikipedia