The Grapes of Wrath (1940)
Ford's 1940 Steinbeck adaptation. The film that established American social-realist cinema.
Actor: Charley Grapewin
Charley Grapewin played Grandpa Joad in The Grapes of Wrath and Uncle Henry in The Wizard of Oz, both in 1939 and 1940. He had been a circus trapeze artist before acting and worked in more than a hundred films.