Elizabeth Taylor
Cleopatra
Richard Burton
Marcus Antonius
Rex Harrison
Julius Caesar
Pamela Brown
High Priestess
George Cole
Flavius
Hume Cronyn
Sosigenes
Cesare Danova
Apollodorus
Kenneth Haigh
Brutus
Andrew Keir
Agrippa
Martin Landau
Rufio
Roddy McDowall
Octavian - Caesar Augustus
Robert Stephens
Germanicus
Francesca Annis
Eiras
Grégoire Aslan
Pothinus
Martin Benson
Ramos
John Doucette
Achillas
Michael Hordern
Cicero
John Hoyt
Cassius
Carroll O'Connor
Casca
Andrew Faulds
Canidius
Michael Gwynn
Cimber
Peter Grant
Palace Guard (uncredited)
Marne Maitland
Euphranor
Richard O'Sullivan
Pharaoh Ptolemy XIII
Gwen Watford
Calpurnia
Douglas Wilmer
Decimus
Marie Devereux
Bacchanal Reveler
Herbert Berghof
Theodotos
Jacqueline Chan
Lotos
Isabel Cooley
Charmian
Mike Steen
Minor Role
Finlay Currie
Titus
Jean Marsh
Octavia
Meri Welles
Cleopatra's Handmaiden
Peter Forster
Officer