Julius Caesar

Marlon Brando Mark Antony

James Mason Brutus

John Gielgud Cassius

Louis Calhern Julius Caesar

Edmond O'Brien Casca

Greer Garson Calpurnia

Deborah Kerr Portia

George Macready Marullus

Michael Pate Flavius

Richard Hale A Soothsayer

Alan Napier Cicero

John Hoyt Decius Brutus