| Georges Chedanne - Architect | Designer of the hotel in Art Nouveau style. |
| Gustav Mahler - Austrian composer | Stayed in 1911 before his death. |
| Mata-Hari - Netherlands | Arrested in room 113. |
| Hippolyte Lefèbvre - Sculptor | Author of decorative oculi. |
| Paul Gasq - Sculptor | Collaborator with exterior decorations. |