| Person | Type | Job | Role(s) |
|---|---|---|---|
 Charles Bennett | Crew | Writing | Writer |
 Gene Palmer | Crew | Editing | Editor |
Henrik Van Loon | Crew | Writing | Novel |
 Irwin Allen | Crew | Writing | Writer, Producer, Associate Producer, Director |
 Nicholas Musuraca | Crew | Camera | Director of Photography |
Paul Sawtell | Crew | Sound | Original Music Composer |
George E. Swink | Crew | Production | Associate Producer |
 Agnes Moorehead | Cast | Actress | Queen Elizabeth I |
 Angelo Rossitto | Cast | Actor | Dwarf in Nero's Court |
 Anthony Dexter | Cast | Actor | Christopher Columbus |
 Austin Green | Cast | Actor | Abraham Lincoln |
 Bobby Watson | Cast | Actor | Adolf Hitler |
 Cathy O'Donnell | Cast | Actress | Early Christian Woman |
 Cedric Hardwicke | Cast | Actor | High Judge |
 Cesar Romero | Cast | Actor | Spanish Envoy |
 Charles Coburn | Cast | Actor | Hippocrates |
 Chico Marx | Cast | Actor | Monk |
 Creighton Hale | Cast | Actor | Heavenly Judge |
Dani Crayne | Cast | Actress | Helen of Troy |
 David Bond | Cast | Actor | Early Christian |
 Dennis Hopper | Cast | Actor | Napoleon Bonaparte |
 Don Megowan | Cast | Actor | Early Man |
 Edward Everett Horton | Cast | Actor | Sir Walter Raleigh |
 Francis X. Bushman | Cast | Actor | Moses |
 Franklin Pangborn | Cast | Actor | Marquis de Varennes |
 George E. Stone | Cast | Actor | Waiter |
 Groucho Marx | Cast | Actor | Peter Minuit |
 Harpo Marx | Cast | Actor | Sir Isaac Newton |
 Hedy Lamarr | Cast | Actress | Joan of Arc |
 Helmut Dantine | Cast | Actor | Marc Antony |
 Henry Daniell | Cast | Actor | Pierre Cauchon - Bishop of Beauvais |
Jim Ameche | Cast | Alexander Graham Bell | |
 John Carradine | Cast | Actor | Khufu |
 Marie Windsor | Cast | Actress | Josephine Bonaparte |
 Marvin Miller | Cast | Actor | Amarna |
 Melinda Marx | Cast | Early Christian Child | |
 Melville Cooper | Cast | Actor | Major Domo |
 Nick Cravat | Cast | Actor | Devil's Apprentice |
 Peter Lorre | Cast | Actor | Nero |
 Reginald Gardiner | Cast | Actor | William Shakespeare |
 Reginald Sheffield | Cast | Actor | Julius Caesar |
 Richard H. Cutting | Cast | Actor | Court Attendant |
 Ronald Colman | Cast | Actor | The Spirit of Man |
 Vincent Price | Cast | Actor | Mr. Scratch / The Devil |
 Virginia Mayo | Cast | Actress | Cleopatra |
 Ziva Rodann | Cast | Actress | Egyptian Concubine |
 Marie Wilson | Cast | Actress | Marie Antoinette |
| Person | Type | Job | Role(s) |
