| 1 | Louis | Lavalle | Manager of Louis XVI Hotel for 38 years. |
| | Olivier | Bateau | The new manager of the hotel. |
| | Ghislaine | | Lavalle's head of housekeeping. |
| | Albert | | Louis Lavalle's son. |
| | Yvonne | Philippe | Bateau's assistant manager. |
| | Gabrielle | Gates | An art consultant. aka: Gabbie. |
| | Theodore | Weston | Gabrielle Gates' father. |
| | Arthur | Gates | Gabrielle's husband. |
| | Sasha | | Arthur Gates' mistress. |
| 2 | Patrick | Martin | France Minister of the Interior. |
| | Alaistair | Whyte-Jones | A doctor. |
| | Richard | Sheffield | Editor and writer at a travel magazine. |
| | Judythe | | Richard's mistress. |
| | Steve | Oakes | Judythe's husband. |
| 3 | Sergei | Karpov | A Russian male model. |
| | Alice | Chalon | Patrick Martin's wife. |
| | Marina | | Patrick's daughter. |
| | Damien | | Patrick's son. |
| 4 | Jacques | Forrestair | The chief detective. |
| | Michel | Plante | Forrestier's assistant detective. |
| 5 | Jean-Claude | Leblanc | A research professor. |
| 7 | Georgina | | One of Gabrielle's daughters. aka: Georgie. |
| | Veronica | | One of Gabrielle's daughters. |
| | Graham | | Arthur and Sasha's son. |
| | Gerard | Pelaprat | Patrick's lawyer. |
| 10 | Geoffrey M. | Westerley | Alaistair's locum tenens. |
| 11 | Alain | Ducasse | A French-born Monégasque chef. |
| | Dmitri | Spiros | Gabrielle's new client. |
| | Pablo R. | Picasso | A Spanish painter, sculptor, printmaker and theatre designer. |
| 12 | Julie | | Veronica's high school best friend. |
| | Joel | | Georgie's friend. |
| 15 | Achille | | Damien's partner. |
| 16 | Dr. | Thatcher | Alaistair's physician. |
| 17 | Alaistair Sam | | Richard and Judythe's son. |