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)