Claudette Colbert
Cleopatra
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)
Cecil B. DeMille
Director
Cecil B. DeMille
Producer
Rudolph G. Kopp
Original Music Composer
Victor Milner
Director of Photography
Roland Anderson
Art Direction
David MacDonald
Assistant Director
Vicky Williams
Costume Design
Hans Dreier
Art Direction
Cullen Tate
Assistant Director
Anne Bauchens
Editor
Billy Gordon
Casting
Bartlett Cormack
Adaptation
Waldemar Young
Screenplay
Vincent Lawrence
Screenplay
Robert Rhea
Assistant Camera
Nat W. Finston
Music Director
Treg Brown
Sound Effects Editor
Guy Roe
Assistant Camera
Gladys Percey
Researcher
Ray Jones
Still Photographer
Gladys Jeans
Stand In
Jeanie Macpherson
Researcher
Travis Banton
Costume Design
William C. Mellor
Camera Operator
Michael D. Moore
Props
Harry Lindgren
Sound Engineer
Cooper Smith
Camera Operator
Milan Roder
Orchestrator
Max Reese
Orchestrator
Ralph Jester
Sculptor
Cliff Shirpser
Assistant Camera
Franklin Hansen
Sound Director
Adolph Zukor
Presenter
Barney Wolff
Special Effects