| Madame | Arsenault | A third grade teacher. |
| Jean-Guy | Beauvoir | Annie's husband. |
| David | Beckham | An English former professional footballer. |
| Clement | Beliveau | An old grocer. |
| Agent | Brassard | Agent Favreau's colleague. |
| Therese | Brunel | The chief superintendent. |
| Gerald | Bull | A Canadian engineer. |
| Jimmy | Carter | 39th U.S. President. |
| George | Clooney | An American actor. |
| Adam | Cohen | A young investigator. |
| Leonard | Cohen | Canadian singer-songwriter. |
| Guillaume | Couture | Antoinette's uncle. |
| Jeffrey | Dahmer | American serial killer. |
| Sean | Delorme | Mary Fraser's colleague. |
| Gaston | Devereau | Mary Fraser's acquaintance. |
| Agent | Favreau | A Surete agent. |
| Brian | Fitzpartick | Antoinette's partner. |
| John | Fleming | American literary critic. |
| Annie | Frank | A German-Dutch diarist. |
| Mary | Fraser | Worked at Canadian Security Intelligent Service. |
| Armand | Gamache | A retired superintendent at the
Sureté. |
| Mikhail | Gorbachev | Former President of the Soviet Union. |
| Wayne | Gretzky | Ice hockey player. |
| Sharon | Harris | The coroner. |
| Katharine | Hepburn | An American actress. |
| Saddam | Hussein | Served as the fifth President of Iraq. |
| Isabelle | Lacoste | The chief inspector. |
| General | Langelier | Commander at CFB Valcatier. |
| Frederick | Lawson | Real name of Al Lepage. |
| Antoinette | Lemaitre | The artistic director of the Knolton Playhouse. |
| Alan | Lepage | Laurent's father. Aka: Al. |
| Laurent | Lepage | The boy that was killed. |
| Joseph | McCarthy | Former American senator. |
| Don | McLean | An American singer-songwriter. |
| Clara | Morrow | A painter. |
| Jane | Neal | Ruth's closest friend. |
| Yvette | Nichol | Gamache's former colleague in the
Sureté. |
| Lester B. | Pearson | Former Prime Minister of Canada. |
| Pablo | Picasso | A Spanish painter. |
| Mary | Poppins | An angelic nanny. |
| Madame | Proulx | Antoinette's neighbor. |
| Michael | Rosenblatt | A physicist. |
| Gilles | Sandon | One who worked in the woods. |
| Pete | Seeger | An American folk singer. |
| Theodore | Seuss | An American children's author. Aka: Ted. |
| William | Shakespeare | An English playwright. |
| Percy Bysshe | Shelley | An English romantic poet. |
| Spencer | Tracy | An American actor. |
| Michele | Tremblay | A French-Canadian novelist and playwright. |
| Richard | Wagner | A German composer. |
| Mark | Wahlberg | An American actor. |
| Billy | Williams | One who worked in the woods. |
| Tennessee | Williams | An American playwright. |
| Boris | Yeltsin | Former Russian President. |
| Neil | Young | An American-Canadian singer-songwriter. |
| Ruth | Zardo | Gabri's neighbor. |
| Anglo | | Guillaume Couture's acquaintance. |
| Annie | | Reine-Marie's daughter. |
| Clouseau | | A French policeman who is always making stupid mistakes. |
| Daniel | | Armand's son. |
| Diogenes | | A Greek philosopher. |
| Evelyn | | Laurent's mother. Aka: Evie. |
| Florence | | Armand's granddaughter. |
| Gabri | | Olivier's partner. |
| Gandalf | | A protagonist in J. R. R. Tolkien's novel. |
| Harvest | | A mongrel dog. |
| Henri | | Gamache's German shepherd. |
| King Arthur | | A legendary British leader. |
| Myrna | | A bookstore owner. |
| Ned | | Jean-Guy's uncle. |
| Olivier | | A bistro owner. |
| Peter | | Clara's husband. |
| Reine-Marie | | Armand Gamache's wife. |
| Rosa | | Ruth's duck. |
| Sarah | | A bake shop owner. |
| Zora | | Florence's sister. |
