The growing ambition of Julius Caesar is a source of major concern to his close friend Brutus. Cassius persuades him to participate in his plot to assassinate Caesar but both have sorely underestimated Mark Antony.

Louis Calhern
Julius Caesar

Edmond O'Brien
Casca

Greer Garson
Calpurnia

Deborah Kerr
Portia

George Macready
Marullus