| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alex Weldon | Crew | Crew | Special Effects |
 Anthony Mann | Crew | Directing | Director |
Basilio Franchina | Crew | Writing | Screenplay |
 Ben Barzman | Crew | Writing | Screenplay |
 C.O. Erickson | Crew | Production | Production Manager |
 Cecilio Paniagua | Crew | Crew | Second Unit Cinematographer |
David Hildyard | Crew | Sound | Sound Mixer |
 Dimitri Tiomkin | Crew | Sound | Original Music Composer |
Elaine Schreyeck | Crew | Directing | Continuity |
 George Tyne | Crew | Crew | Dialogue Coach |
Gordon K. McCallum | Crew | Sound | Sound Re-Recording Mixer |
Grazia De Rossi | Crew | Costume & Make-Up | Hairdresser |
Jaime Prades | Crew | Production | Associate Producer |
John Harris | Crew | Camera | Camera Operator |
John Moore | Crew | Art | Production Design, Set Decoration, Costume Design |
 José López Rodero | Crew | Directing | Assistant Director |
José María Ochoa | Crew | Directing | Assistant Director |
Mario Van Riel | Crew | Costume & Make-Up | Makeup Artist |
Maude Spector | Crew | Production | Casting |
 Michał Waszyński | Crew | Production | Associate Producer |
Milton C. Burrow | Crew | Sound | Sound Effects Editor |
 Philip Yordan | Crew | Writing | Screenplay |
Robert Krasker | Crew | Camera | Director of Photography |
Robert Lawrence | Crew | Editing | Editor |
Samuel Bronston | Crew | Production | Producer |
Veniero Colasanti | Crew | Art | Production Design, Set Decoration, Costume Design |
 Yakima Canutt | Crew | Crew | Stunt Coordinator, Second Unit Director |
George Korngold | Crew | Sound | Music Editor |
Edward Gibbon | Crew | Writing | Author |
Stanley Detlie | Crew | Art | Property Master |
Magdalena Paradell | Crew | Editing | Assistant Editor |
Will Durant | Crew | Crew | Technical Advisor |
Carl Gibson | Crew | Crew | Technical Supervisor |
Maciek Piotrowski | Crew | Art | Title Illustration |
Bruno Pasqualini | Crew | Lighting | Electrician |
Gloria Mussetta | Crew | Costume & Make-Up | Wardrobe Master |
 Alec Guinness | Cast | Actor | Marcus Aurelius |
 Andrew Keir | Cast | Actor | Polybius |
 Anthony Quayle | Cast | Actor | Verulus |
 Christopher Plummer | Cast | Actor | Commodus |
 Douglas Wilmer | Cast | Actor | Niger |
 Eric Porter | Cast | Actor | Julianus |
 Finlay Currie | Cast | Actor | Senator |
 Friedrich von Ledebur | Cast | Actor | Barbarian (uncredited) |
 Gabriella Licudi | Cast | Actress | Tauna (uncredited) |
 George Murcell | Cast | Actor | Victorinus |
 Guy Rolfe | Cast | Actor | Marius (uncredited) |
 James Mason | Cast | Actor | Timonides |
Jeffrey O'Kelly | Cast | Brother of Livius (uncredited) | |
 John Ireland | Cast | Actor | Ballomar |
José Terrón | Cast | Actor | Soldier on a horse (uncredited) |
 Lena von Martens | Cast | Actress | Helva |
Margaret Fuller | Cast | Actress | Part of Court (uncredited) |
 Mel Ferrer | Cast | Actor | Cleander |
 Michael Gwynn | Cast | Actor | Cornelius |
 Norman Wooland | Cast | Actor | Virgilianus |
 Omar Sharif | Cast | Actor | Sohamus |
Patricia Wright | Cast | Actress | Roman citizen, Slave woman (uncredited) |
 Peter Damon | Cast | Actor | Claudius |
 Roland Carey | Cast | Actor | Barbarian (uncredited) |
 Sophia Loren | Cast | Actress | Lucilla |
 Stephen Boyd | Cast | Actor | Livius |
 Virgilio Teixeira | Cast | Actor | Marcellus |
 Rafael Luis Calvo | Cast | Actor | Lentulus |
| Person | Type | Job | Role(s) |
