julius caesar is a 1953 movie based on the play by shakespeare. it stars john gielgud as cassius, james mason as brutus, and marlon brando as antony. gielgud and brando both won bafta awards for best actor (british actor, foreign actor). greer garson played calpurnia, and deborah kerr played portia. the movie was directed by joseph l. mankiewicz. the movie received very good reviews. it won the academy award for best art direction. it also won two bafta awards for best british actor (john gielgud) and best foreign actor (marlon brando).