| 1 | Aunt | Felicity | Flavia de Luce's aunt. |
| | Dieter | Schrantz | Feely's fiance. |
| | Miss | Bodycote | Owner of a female academy. |
| | Arthur | Dogger | Flavia de Luce's handyman. |
| | Mrs. Agnes | Mullet | A newsagent. |
| | Flavia Sabina | de Luce | Protagonist. |
| | Canon | Whitbread | The notorious "Poisoning Parson". Deceased. |
| | Ophelia | de Luce | Flavia's sister. aka: Feely. |
| | Daphne | de Luce | Falvia's sister. aka: Daffy. |
| | Denwyn | Richardson | Flavia's father's best friend. Vicar. |
| | Mrs. | Bugg | Woman who died in Datura Plant. |
| 2 | George L. O. | Whitbread | A dead man Flavia found. Canon Whitbread's son. |
| 3 | Mr. | Clemm | Vicar. |
| | Louis | Pasteur | Flavia's favorite chemist. |
| | Harriet | de Luce | Flavia's mother. Deceased. |
| | Poppy | Mandrill | Orlando's co-actor. |
| | Mr. | Collicutt | Feely's organ teacher. |
| | Inspector | Hewitt | Police inspector in Hinley Constabulary. Flavia's friend. |
| | Constable | Otter | Police. |
| 4 | Detective | Branch | Detective on Orlando's murder case. |
| | Raskolnikov | | Man that killed 2 women with an axe. |
| | Hob | Nightingale | Hob's father. The undertaker. |
| 5 | Howland | | Worker in Wanless & Sons dispensing chemists. |
| | Mr. | Arkwright | Deceased. |
| | Mrs. | Perry | Hob's neighbor. |
| | Mrs. | Belaney | Mrs. Perry's friend. |
| 7 | Mrs. | Palmer | The landlord's wife. |
| 8 | Tarquin | | Flavia's uncle. |
| | Jack | Robinson | Flavia's racehorse. |
| 9 | George | Sitwell | Man who painted his cow blue and white. |
| | Cladius | | Hamlet's wicked uncle. |
| | Hamlet | | A character in Shakespeare's book. |
| 10 | Clement | Atlee | The former Prime Minister. |
| | Arven | Palmer | Mrs. Palmer's wife. The Oak and the Pheasant's landlord. |
| 11 | Carl | Pendracka | A man where Daffy learned pig Latin. |
| | James Elroy | Flecker | Poet who died during the Great War. |
| | Alf | | Newsagent. |
| | John George | Haigh | A man who dissolved many people in sulfuric acid. |
| 12 | Mr. | Shadrach | Owner of a circus. |
| | Nigel | | Terence's friend. |
| | Terence | | A man with the polka dot handkerchief. |
| | Cornell | | Terence's friend. |
| | Mrs. | Dandyman | Artist. Paints creepy paintings. |
| | Mary Margaret | Tackaberry | Captain of the Crafts League. |
| 13 | Grace | Willoughby | Canon's victim. |
| | Grace | Harcourt | Canon's victim. |
| | Annie | Cray | Canon's victim. |
| | Inspector | Bucket | Flavia's old acquaintance. |
| 15 | Claire | Tetlock | Dogger's old friend. |
| 16 | Millie | Plumb | Works part time at the Wanless Chemists. |
| | Ernest | Dolly | Owner of the private hospital wher Orlando was confined. |
| 17 | Dr. | Glandley | The vicar's warden. |
| | Lettice | Farnsworth | Woman in the sacrament administered by Canon. |
| | Hugo | Farnsworth | Lettice's husband. |
| 18 | William | Conker | Tour operator who brought the de Luces to England. |
