| 1 | Judge | Crossley |
Judge in Harriet Vane's trial |
| | Salcombe | Hardy |
Reporter covering the trial |
| | Waffles | Newton |
Reporter covering the trial |
| | Harriet | Vane |
Defendant in murder trial, 29 yr. old mystery author |
| | Philip | Boyes |
Murder victim, Harriet's lover, 36 yrs. old |
| | Sylvia | Marriott |
Friend of Harriet Vane |
| | Eiluned | Price |
Friend of Harriet Vane |
| | Hon. Freddy | Arbuthnot |
Friend of Peter Wimsey, stock market adviser |
| | Lord Peter | Wimsey |
Aristocrat attending the trial, amateur detective, 2nd son of the Duke of Denver |
| | Mr. & Mrs. | Dyer |
Neighbors of Philip Boyes |
| | Sir Impey | Biggs |
Defending attorney for Harriet Vane |
| | Norman | Urquhart |
Philip Boyes' cousin, solicitor |
| | Dr. | Green |
Philip Boyes' physician |
| | Ryland | Vaughan |
Friend of Philip Boyes |
| | Hannah | Westlock |
Norman Urquhart's maid |
| | Dr. | Weare |
Philip Boyes' physician |
| | Dr. | Grainger |
Philip Boyes' physician |
| | Dowager Duchess | Wimsey |
Peter Wimsey's mother |
| | Miss Katherine | Climpson |
Peter Wimsey's "enquiry agent," proprietor of the "Cattery" |
| | Chief Inspector Charles |
Parker | Police detective, friend of Wimsey |
| 2 | Nurse | Williams |
Philip Boyes' nurse |
| | Sir James | Lubbock |
Conducted autopsy on Philip Boyes |
| | Stephen | Fordyce |
Conducted autopsy on Philip Boyes |
| | Mr. | Challoner |
Harriet Vane's literary agent |
| 3 | Cuthbert | Logan |
Reporter for a morning newspaper |
| 4 | Mr. | Crofts |
Defense solicitor, of Crofts & Cooper |
| | Judge | Bancroft |
Likely judge for Harriet's retrial |
| | | Bunter |
Wimsey's butler & friend |
| 6 | Mrs. | Merdle |
Nickname of Wimsey's car |
| | Rev. Arthur | Boyes |
Philip Boyes' father, parson |
| | Cremona | Garden |
Former actress, Philip Boyes' great aunt, aka Mrs. Wrayburn, nee Rosanna Hubbard |
| | Mr. | Cole |
Boyes' publisher, of Grimsby & Cole |
| 8 | Marjorie | Phelps |
Potter, friend of Wimsey's |
| | Nina | Kropotky |
Hostess of avantgarde party, acquaintance of Philip Boyes |
| | Joey | Trimbles |
Host of another party, acquaintance of Philip Boyes |
| 9 | Mrs. | Pettican |
Norman Urquhart's cook |
| 10 | Mrs. Gracie | Bulfinch |
Former bar maid at the Nine Rings, found the empty packet of powder used by Philip Boyes |
| | Miss Joan | Murchison |
Secretary in Urquhart's office, one of Miss Climpson's employees |
| 12 | Mrs. "Freak" | Dimsworthy |
Guest at Christmas tea at Duke of Denver's home (Wimsey's family estate) |
| | Captain Tommy | Bates |
Guest at Christmas tea at Duke of Denver's home (Wimsey's family estate) |
| | Mrs. | Featherstone |
Guest at Christmas tea at Duke of Denver's home (Wimsey's family estate) |
| | Helen | Wimsey |
Wimsey's sister-in-law, Duchess of Denver, Gerald's wife |
| | Mr. | Harringay |
Guest at Christmas tea at Duke of Denver's home (Wimsey's family estate) |
| | Miss | Titterton |
Guest at Christmas tea at Duke of Denver's home (Wimsey's family estate) |
| | Gerald | Wimsey |
Wimsey's older brother, Duke of Denver, Helen's husband |
| | Rachel | Levy |
Freddie Arbuthnot's fiancée |
| | Mary | Wimsey |
Peter Wimsey's older sister (romantically involved with Charles Parker) |
| 13 | Bill | Rumm |
Locksmith, former burglar & safecracker, aka "Blindfold Bill" |
| | Esmeralda Hyacinth | |
Bill's daughter |
| | Bella | Rumm |
Bill's wife & Esmeralda's mother |
| 14 | Mrs. | Hodges |
Urquhart's office cleaning lady |
| 16 | Miss Caroline | Booth |
Mrs. Wrayburn's nurse/companion |
| 17 | Mrs. | Pegler |
Fellow boardinghouse residents with Miss Climpson in Windle, Westmorland |
| | Miss | Etheredge |
Fellow boardinghouse residents with Miss Climpson in Windle, Westmorland |
| | Miss | Tweall |
Fellow boardinghouse residents with Miss Climpson in Windle, Westmorland |
| | Mrs. | Liffey |
Fellow boardinghouse residents with Miss Climpson in Windle, Westmorland |
| 21 | Mabel | |
Manicurist |
