Marlon Brando
Marc Antony
Louis Calhern
Julius Caesar
Douglass Dumbrille
Lepidus
Tom Powers
Metellus Cimber
Morgan Farley
Artemidorus
William Phipps
Servant to Antony (as Bill Phipps)
Douglass Watson
Octavius Caesar (as Douglas Watson)
Paul Guilfoyle
Citizen of Rome
Lawrence Dobkin
Citizen of Rome
Jo Gilbert
Citizen of Rome
Chet Stratton
Servant to Caesar (as Chester Stratton)
Vic Perry
Popilius Lena (as Victor Perry)
Michael Tolan
Officer to Octavius
Joseph Waring
Clitus (as Joe Waring)
John Doucette
Carpenter, Citizen of Rome