Cleopatra

Elizabeth Taylor

Marcus Antonius

Richard Burton

Julius Caesar

Rex Harrison

Sosigenes

Hume Cronyn

Apollodorus

Cesare Danova

High Priestess

Pamela Brown

Brutus

Kenneth Haigh

Flavius

George Cole

Agrippa

Andrew Keir

Rufio

Martin Landau

Caesar Augustus (Octavian)

Roddy McDowall

Germanicus

Robert Stephens

Eiras

Francesca Annis

Pothinus

Grégoire Aslan

Ramos

Martin Benson

Achillas

John Doucette

Theodotos

Herbert Berghof

Cicero

Michael Hordern

Casca

Carroll O'Connor

Cassius

John Hoyt

Canidius

Andrew Faulds

Cimber

Michael Gwynn

Charmian

Isabelle Cooley

Euphranor

Marne Maitland

Pharaoh Ptolemy XIII

Richard O'Sullivan

Calpurnia

Gwen Watford

Decimus

Douglas Wilmer

Palace Guard (uncredited)

Peter Grant

Bacchanal Reveler

Marie Devereux

Lotos (as Jacqui Chan)

Jacqueline Chan

Minor Role

Mike Steen

Titus (uncredited)

Finlay Currie

Octavia (uncredited)

Jean Marsh

Cleopatra's Handmaiden

Meri Wells

Officer

Peter Forster

Roman Officer (uncredited)

John Alderson

1st Officer (uncredited)

John Alderton

Agitator (uncredited)

Jeremy Kemp

Senator (uncredited)

Desmond Llewelyn

Arachesilaus (uncredited)

Laurence Naismith

Roman Officer (uncredited)

Larry Taylor

Narrator (voice) (uncredited)

Ben Wright