Marlon Brando took part in a Metro-Goldwyn-Mayer film.
Julius Caesar is a 1953 epic Metro-Goldwyn-Mayer film adaptation of the play by Shakespeare , directed by Joseph L. Mankiewicz , who also wrote the uncredited screenplay , and produced by John Houseman . The film stars Marlon Brando as Mark Antony , James Mason as Brutus , John Gielgud as Cassius , Louis Calhern as Julius Caesar , Edmond O'Brien as Casca , Greer Garson as Calpurnia , and Deborah Kerr as Portia . Marlon Brando . He initially gained acclaim and an Academy Award nomination for reprising the role of Stanley Kowalski in the 1951 film adaptation of Tennessee Williams ' play A Streetcar Named Desire , a role that he had originated successfully on Broadway .