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

Tom Powers

Metellus Cimber

William Cottrell

Cinna

Jack Raine

Trebonius

Ian Wolfe

Caius Ligarius

Morgan Farley

Artemidorus

William Phipps

Servant to Antony

Douglass Watson

Octavius Caesar

Douglass Dumbrille

Lepidus