cast
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Marlon Brando
Mark Antony
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James Mason
Brutus
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John Gielgud
Cassius
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Louis Calhern
Julius Caesar
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Edmond O'Brien
Casca
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Greer Garson
Calpurnia
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Deborah Kerr
Portia
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George Macready
Marullus
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Michael Pate
Flavius
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Richard Hale
A Soothsayer
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Alan Napier
Cicero
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John Hoyt
Decius Brutus
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Tom Powers
Metellus Cimber
- William Cottrell Cinna
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Jack Raine
Trebonius
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Ian Wolfe
Caius Ligarius
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Morgan Farley
Artemidorus
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William Phipps
Servant to Antony
- Douglass Watson Octavius Caesar
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Douglass Dumbrille
Lepidus
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Rhys Williams
Lucilius
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Michael Ansara
Pindarus
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Dayton Lummis
Messala
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Paul Guilfoyle
Citizen of Rome
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Edmund Purdom
Strato
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Lawrence Dobkin
Citizen of Rome
- Jo Gilbert Citizen of Rome
- John Hardy Lucius
- Chet Stratton Servant to Caesar
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Lumsden Hare
Publius
- Preston Hanson Claudius
- Vic Perry Popilius Lena
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Michael Tolan
Officer to Octavius
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John Lupton
Varro
- Joseph Waring Clitus
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John Parrish
Titinius
- Stephen Roberts Dardanius
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Thomas Browne Henry
Volumnius
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David Bond
Citizen of Rome
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Ann Tyrrell
Citizen of Rome
- John O'Malley Citizen of Rome
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John Doucette
Carpenter, Citizen of Rome
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Oliver Blake
Citizen of Rome
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Donald Elson
Citizen of Rome
- Alvin Hurwitz Citizen of Rome
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John Alderson
Citizen of Rome (uncredited)
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Henny Backus
Citizen of Rome (uncredited)
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Al Bain
Citizen of Rome (uncredited)
- John Barton Citizen of Rome (uncredited)
- Ray Beltram Citizen of Rome (uncredited)
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George Blagoi
Soldier (uncredited)
- Eumenio Blanco Citizen of Rome (uncredited)
- Oscar Blank Citizen of Rome (uncredited)
- Joe Brooks Citizen of Rome (uncredited)
- John Call Citizen of Rome (uncredited)
- Michael Cirillo Citizen of Rome (uncredited)
- Bill Clark Citizen of Rome (uncredited)
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Booth Colman
Citizen of Rome (uncredited)
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Gene Coogan
Citizen of Rome (uncredited)
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Jimmy Dime
Citizen of Rome (uncredited)
- Darren Dublin Hoodlum (uncredited)
- Robert Dulaine Roman (uncredited)
- Ken DuMain Citizen of Rome (uncredited)
- Charles Ferguson Citizen of Rome / Centurion Lookout (uncredited)
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Robert Fuller
Citizen of Rome (uncredited)
- Elias Gamboa Citizen of Rome (uncredited)
- Leonard George Hoodlum (uncredited)
- Rudy Germane Citizen of Rome (uncredited)
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Ned Glass
Cobbler (uncredited)
- Joseph Glick Citizen of Rome (uncredited)
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Dabbs Greer
Citizen of Rome (uncredited)
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Chester Hayes
Roman Soldier (uncredited)
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Stuart Holmes
Senator (uncredited)
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Shep Houghton
Soldier (uncredited)
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Kenneth Kendall
Citizen of Rome by Mark Antony's Speech (uncredited)
- Russell Meeker Senator (uncredited)
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Neyle Morrow
Citizen of Rome (uncredited)
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Robert Nichols
Citizen of Rome (uncredited)
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William H. O'Brien
Senator (uncredited)
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Vic Perrin
Hoodlum (uncredited)
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Jack Perry
Citizen of Rome (uncredited)
- Joe Ploski Citizen of Rome (uncredited)
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Harry 'Snub' Pollard
Citizen of Rome (uncredited)
- Barry Regan Sentry (uncredited)
- Norman Rice Little Man (uncredited)
- Victor Romito Citizen of Rome (uncredited)
- Clark Ross Citizen of Rome (uncredited)
- Phil Schumacher Citizen of Rome (uncredited)
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Scott Seaton
Senator (uncredited)
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Cap Somers
Citizen of Rome (uncredited)
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Ray Spiker
Citizen of Rome (uncredited)
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Irene Tedrow
Citizen of Rome (uncredited)