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