| Charles Garnier - Architect | Manufacturer of building and casino |
| Marie Blanc - Sponsor | Widow of François Blanc, project initiator |
| Raoul Gunsbourg - Director (1892-1951) | Directed 20 opera and ballet creations |
| Prince Albert Ier - Patron | Appointed Gunsburg to the management |
| Prince Albert II - Inaugurator (2005) | Re-opening after restoration |
| Pablo Picasso - Guest decorator | Creates the sets of "Love sorcerer" |