Humphrey DeForest Bogart was an American film and stage actor. His performances in numerous films from the Classical Hollywood era made him a cultural icon. In 1999, the American Film Institute ranked him as the greatest male star of American cinema. Bogart began acting in Broadway shows after World War I. After the Wall Street Crash of 1929, he began working in films, mostly playing gangsters. He was highly praised for his work in The Petrified Forest.