Kirk Douglas
Spartacus
Laurence Olivier
Marcus Licinius Crassus
Jean Simmons
Varinia
Charles Laughton
Sempronius Gracchus
Peter Ustinov
Lentulus Batiatus
John Gavin
Julius Caesar
Tony Curtis
Antoninus
Nina Foch
Helena Glabrus
John Ireland
Crixus
Herbert Lom
Tigranes Levantus
John Dall
Marcus Publius Glabrus
Woody Strode
Draba
Harold J. Stone
David
Charles McGraw
Marcellus
Joanna Barnes
Claudia Marius
Peter Brocco
Ramon
Paul Lambert
Gannicus
Robert J. Wilke
Guard captain
Nick Dennis
Dionysius
John Hoyt
Caius
Frederick Worlock
Laelius
Paul Baxley
Gladiator (uncredited)
Louie Elias
Gladiator (uncredited)
Brad Harris
Gladiator (uncredited)
Gordon Mitchell
Gladiator (uncredited)
Jack Perkins
Gladiator (uncredited)
Shari Lee Bernath
Little Girl (uncredited)
Bill Blackburn
Prisoner (uncredited)
David Bond
Slave (uncredited)
Polly Burson
Slave (uncredited)
Harold Goodwin
Slave (uncredited)
Betty Harford
Slave (uncredited)
Wayne Heffley
Slave Guard (uncredited)
Shep Houghton
Slave (uncredited)
Eddie Parker
Slave (uncredited)
Chuck Roberson
Slave (uncredited)
Kay Stewart
Slave (uncredited)
Kay Stewart
Slave Girl (uncredited)
Louise Vincent
Slave at Gracchus' Home (uncredited)
Chuck Courtney
Soldier (uncredited)
Robert F. Hoy
Soldier (uncredited)
Cliff Lyons
Soldier (uncredited)
Bill Raisch
Soldier Whose Arm is Hacked Off (uncredited)
Buddy Van Horn
Soldier (uncredited)
Paul E. Burns
Fimbria (uncredited)
John Daheim
Capua Guard (uncredited)
Carey Loftin
Guard (uncredited)
Harvey Parry
Guard (uncredited)
Ronnie Rondell Jr.
Guard (uncredited)
Peter Virgo
Guard (uncredited)
Ted de Corsia
Legionnaire (uncredited)
Terence de Marney
Majordomo (uncredited)
Johnny Duncan
Beheaded Man (uncredited)
Roy Engel
Roman Businessman (uncredited)
Kenner G. Kemp
Roman Senator (uncredited)
Paul Kruger
Roman Senator (uncredited)
Scott Seaton
Roman Senator (uncredited)
Richard Farnsworth
Salt Mine Slave / Gladiator / Slave General (uncredited)
John Stephenson
Centurion (uncredited)
Robert Fuller
Extra (uncredited)
Jeanne Gerson
Woman Selling Chestnuts (uncredited)
Seamon Glass
Pirate (uncredited)
James Griffith
Otho (uncredited)
Jack Grinnage
Petitioner (uncredited)
Anthony Jochim
Petitioner (uncredited)
Joe Haworth
Marius (uncredited)
Vinton Hayworth
Metallius (uncredited)
Loren Janes
Salt Mine Slave / Gladiator / Slave General (uncredited)
Jil Jarmyn
Julia (uncredited)
Aron Kincaid
Crassus' Standard-Bearer (uncredited)
Dayton Lummis
Symmachus (uncredited)
Bob Morgan
Galeno (uncredited)
Tracy Olsen
Girl (uncredited)
Leonard Penn
Garrison Officer (uncredited)
Vic Perrin
Narrator (voice) (uncredited)
Larry Thor
Staff Officer (uncredited)
Dale Van Sickel
Trainer (uncredited)
Carleton Young
Herald (uncredited)
John Benson
Guard (uncredited)
Arthur Batanides
Legionnaire (uncredited)
