| 1 | Mac |
Fleming | Dorothy Sayers's husband |
| | Agatha |
Christie | Novelist and friend of Dorothy Sayers |
| | Dorothy |
Sayers | Narrator; mystery novelist |
| 2 | G.K. |
Chesterton | Well-known novelist |
| | Anthony Berkeley |
Cox | Common friend of Agatha Christie and Dorothy Sayers |
| 3 | Emma |
Orczy | Hungarian-born aristocrat and novelist |
| | Margery |
Allingham | Novelist |
| | Albert |
Campion | Fictional protagonist in Margery Allingham's novels |
| | Ngaio |
Marsh | Novelist; member of the Detection Club |
| | David |
Roentgen | German cabinet maker |
| 4 | Max |
Mallowan | Archaeologist; Agatha Christie's husband |
| 5 | Eric |
| Theatrical skull prop |
| | Harriet |
Vane | Dorothy Sayers's fictional mystery novelist character |
| | Peter |
Wimsey | Dorothy Sayers's fictional detective character |
| 6 | Milward |
Kennedy | Creator of George Bull |
| 7 | May |
Daniels | Missing woman |
| | Celia |
McCarthy | May Daniels's friend |
| | Frank |
Routledge | Mac Fleming's friend |
| | Netley |
Lucas | News correspondent |
| 12 |
Madame | Brat |
Woman interviewed by Dorothy |
| 14 |
Mr. | Marks |
Man who saw May before she disappeared |
| 18 |
Mrs. | David |
Sister of May Daniels |
| | Mrs. |
Lloyd | Sister of May Daniels |
| 22 |
Leonora | Denning |
Missing violinist |
| | Bobby |
Russell | Conductor |
| | Jack |
Hulbert | Popular actor |
| | Jimmy |
William | Self-insurance titan |
| 28 |
Louis | Williams |
Son of Jimmy William |
| 29 |
Margaret | Watts |
Sister of Agatha Christie. Aka: Madge |
| 30 |
Mr. | Dean |
Producer of West End shows |
| | Alfred |
Chapman | Co-managing director with Mr. Dean |
| 35 |
Ivy | |
Dorothy Sayers's cousin |
| | John |
| Dorothy Sayers's son |
| | John |
Cournos | Dorothy Sayers's former lover |
| | Bill |
White | John's biological father; Dorothy's neighbor |
| 43 |
Monsieur | Albert |
Emma Orczy's butler |
| 46 |
Charis | Barnett |
Friend of Dorothy Sayers. Aka: Charis Frankenburg |
| 55 |
Millicent | Chapman |
Alfred Chapman's wife |