 | 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) |
 | Hubie Kerns Gladiator (uncredited) |
 | Gordon Mitchell Gladiator (uncredited) |
| Regis Parton Gladiator (uncredited) |
| Victor Paul Gladiator (uncredited) |
 | Jack Perkins Gladiator (uncredited) |
| Wally Rose Gladiator (uncredited) |
| Aaron Saxon Gladiator (uncredited) |
 | Tom Steele Gladiator (uncredited) |
| Jerry Summers Gladiator (uncredited) |
 | Shari Lee Bernath Little Girl (uncredited) |
 | Bill Blackburn Prisoner (uncredited) |
 | David Bond Slave (uncredited) |
 | Polly Burson Slave (uncredited) |
| Carol Daniels Slave Girl (uncredited) |
| Lila Finn Slave (uncredited) |
 | Harold Goodwin Slave (uncredited) |
| Sol Gorss Slave Leader (uncredited) |
 | Betty Harford Slave (uncredited) |
| Harry Harvey Jr. Slave (uncredited) |
 | Wayne Heffley Slave Guard (uncredited) |
| Lars Hensen Slave (uncredited) |
| Charles Horvath Slave Leader (uncredited) |
 | Shep Houghton Slave (uncredited) |
| Pete Kellett Slave (uncredited) |
| Joan McKellen Slave (uncredited) |
 | Eddie Parker Slave (uncredited) |
| Gil Perkins Slave Leader (uncredited) |
 | Chuck Roberson Slave (uncredited) |
| Frosty Royce Slave (uncredited) |
| Autumn Russell Slave Girl (uncredited) |
 | Kay Stewart Slave (uncredited) |
| Kay Stewart Slave Girl (uncredited) |
| Helen Thurston Slave (uncredited) |
 | Louise Vincent Slave at Gracchus' Home (uncredited) |
| Joe Canutt Soldier (uncredited) |
| Bill Catching Soldier (uncredited) |
 | Chuck Courtney Soldier (uncredited) |
 | Chuck Hayward Soldier (uncredited) |
 | Robert F. Hoy Soldier (uncredited) |
| Valley Keene Soldier (uncredited) |
 | Cliff Lyons Soldier (uncredited) |
 | Bill Raisch Soldier Whose Arm is Hacked Off (uncredited) |
 | Buddy Van Horn Soldier (uncredited) |
| Jack Williams Soldier (uncredited) |
 | Paul E. Burns Fimbria (uncredited) |
| Wayne Burson Guard (uncredited) |
| Dick Crockett Guard (uncredited) |
 | John Daheim Capua Guard (uncredited) |
 | Carey Loftin Guard (uncredited) |
 | Harvey Parry Guard (uncredited) |
 | Ronnie Rondell Jr. Guard (uncredited) |
| Don Turner Guard (uncredited) |
 | Peter Virgo Guard (uncredited) |
| Fred Zendar Guard (uncredited) |
 | Ted de Corsia Legionnaire (uncredited) |
 | Terence de Marney Majordomo (uncredited) |
 | Johnny Duncan Beheaded Man (uncredited) |
 | Roy Engel Roman Businessman (uncredited) |
| Paul Keast Roman Businessman (uncredited) |
 | Kenner G. Kemp Roman Senator (uncredited) |
 | Paul Kruger Roman Senator (uncredited) |
| Otto Malde Roman General (uncredited) |
 | Scott Seaton Roman Senator (uncredited) |
 | Richard Farnsworth Salt Mine Slave / Gladiator / Slave General (uncredited) |
| Logan Field Centurion (uncredited) |
 | John Stephenson Centurion (uncredited) |
 | Robert Fuller Extra (uncredited) |
 | Jeanne Gerson Woman Selling Chestnuts (uncredited) |
 | Seamon Glass Pirate (uncredited) |
| Preston Peterson Pirate (uncredited) |
| George Robotham 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) |
| Duke Fishman Roman Senator (uncredited) |
| Robert Stevenson Legionnaire (uncredited) |
| John Barton Slave (uncredited) |
| Jerry Brown Soldier (uncredited) |
 | John Benson Guard (uncredited) |
 | Arthur Batanides Legionnaire (uncredited) |
| Rudy Germane Soldier (uncredited) |
| Directing | |
| Stanley Kubrick | Director |
Writing | |
| Howard Fast | Novel |
| Dalton Trumbo | Screenplay |
Production | |
| Edward Lewis | Producer |
| Kirk Douglas | Executive Producer |
Sound | |
| Alex North | Original Music Composer |
Camera | |
| Russell Metty | Director of Photography |
Editing | |
| Robert Lawrence | Editor |
Art | |
| Alexander Golitzen | Production Design |
| Eric Orbom | Art Direction |
| Russell A. Gausman | Set Decoration |
| Julia Heron | Set Decoration |
Costume & Make-Up | |
| Bill Thomas | Costume Design |
| Fred Valles | Costume Design |
| Larry Germain | Hairstylist |
| Bud Westmore | Makeup Artist |
Sound | |
| Ronald Pierce | Sound Designer |
| Murray Spivack | Sound Designer |
| Waldon O. Watson | Sound Designer |
Crew | |
| Polly Burson | Stunts |
Sound | |
| Jack Foley | Foley Artist |
Writing | |
| Plutarch | Writer |
Production | |
| Edward Muhl | Executive Producer |
Crew | |
| Yakima Canutt | Second Unit |
| Wah Chang | Special Effects |
| Saul Bass | Visual Effects Design Consultant |
| Preston Peterson | Stunts |
| Yakima Canutt | Stunts Coordinator |
Sound | |
| Joe Lapis | Sound |
Camera | |
| Bob Rose | Grip |
Sound | |
| Frank E. Warner | Sound Effects Editor |
| Joseph Gershenson | Music Supervisor |
Crew | |
| John Epper | Stunts |
| Jerry Brown | Stunts |
| Jack Williams | Stunts |
| Don Turner | Stunts |
Camera | |
| Clifford Stine | Additional Photography |
Writing | |
| Peter Ustinov | Screenplay |
| Calder Willingham | Scenario Writer |
Editing | |
| Irving Lerner | Editor |
Art | |
| Roger K. Furse | Production Design |
Production | |
| Norman Deming | Unit Production Manager |
| Eduardo García Maroto | Unit Production Manager |
| Tadeo Villalba | Unit Manager |
Directing | |
| Marshall Green | Assistant Director |
Crew | |
| Don Sahlin | Special Effects |
| Tap Canutt | Stunts |
| Buddy Van Horn | Stunts |
| Loren Janes | Stunt Double |
| Ronnie Rondell Jr. | Stunts |
| Glenn R. Wilder | Stunts |
| Bob Herron | Stunts |
| Bill Catching | Stunts |
Art | |
| Julián Mateos | Props |
