Top Cast
Claudette Colbert
Cleopatra
Warren William
Julius Caesar
Henry Wilcoxon
Marc Antony
Joseph Schildkraut
King Herod
Ian Keith
Octavian
Gertrude Michael
Calpurnia
C. Aubrey Smith
Enobarbus
Irving Pichel
Apollodorus
Arthur Hohl
Brutus
Edwin Maxwell
Casca
Ian Maclaren
Cassius
Eleanor Phelps
Charmion
Leonard Mudie
Pothinos
Grace Durkin
Iras
Ferdinand Gottschalk
Glabrio (scenes deleted)
Claudia Dell
Octavia
Harry Beresford
Soothsayer
Jayne Regan
Lady Vesta
William Farnum
Lepidus
Lionel Belmore
Fidius
Florence Roberts
Lady Flora
Richard Alexander
General Philodemas
Celia Ryland
Lady Leda
William V. Mong
Court Physician
Robert Warwick
General Achillas
George Walsh
Courier
Kenneth Gibson
Scribe
Wedgwood Nowell
Scribe
Bruce Warren
Scribe
Robert Seiter
Aelius (as Robert Manning)
Edgar Dearing
Convict
John Carradine
Roman Citizen/Party Guest/Soldier (uncredited) (voice)
Wilfred Lucas
Roman Greeting Antony (uncredited)
David Niven
Slave (uncredited)
Olga Celeste
Slave Girl (uncredited)