| Marjorie |
Ashleigh | Violet's friend |
| Mrs. |
Ashleigh | Marjorie's mother |
| Mr. |
Asquith | Prime Minister |
| Daisy |
Atkins | Florence's colleague |
| Olivia |
Barndon-Brown | Member of the WSPU |
| Margaret |
Baxter | Victim; Florence's friend |
| Mr. |
Biggs | Olivia's doorman |
| Mr. |
Bright | Assistant coroner |
| Thomas |
Callan | Police superintendent |
| Catherine |
Cartwright | Close friend of Florence |
| Hugo |
Cartwright | Catherine's nephew |
| Winston |
Churchill | Home Secretary |
| Cora |
Crippen | Hawley Crippen's deceased mother |
| Hawley |
Crippen | Murderer |
| Doctor |
Eccles | Dody's professor |
| Mr. |
Ellis | Hangman |
| Joe |
Excel | Former dismissed police officer |
| Millicent |
Fawcett | Suffragist; Elizabeth Garrett's sister |
| Walter |
Fisher | Police sergeant; Pike's assistant |
| Elizabeth |
Garrett | First registered female doctor in Britain |
| Elizabeth |
Garrett | Doctor; sister of Millicent Fawcett |
| Miss |
Hobhouse | Welfare campaigner |
| Jemima |
Jefferson | Victim |
| Molly |
Jenkins | Florence's colleague |
| Mrs. |
Keating | Pike's widowed landlady |
| Ethel |
Le Neve | Crippen's lover |
| Jane |
Lithgow | Florence's colleague |
| Constance |
Lytton | Imprisoned suffragette |
| Doctor |
Mangini | Medical practitioner |
| Dorothy |
McCleland | Protagonist. Aka: Dody |
| Florence |
McCleland | Dody's sister |
| Louise |
McCleland | Dody's mother |
| Nellie |
Melba | Opera soprano |
| Derwent |
O'Neill | Suspect convicted for bombing activities |
| Patrick |
O'Neill | Derwent's brother |
| Seamus |
O'Neill | O'Neill's father |
| Christabel |
Pankhurst | Emmeline's daughter; militant member of the WSPU |
| Emmeline |
Pankhurst | Leader of the women's suffrage movement; Christabel's mother |
| Matthew |
Pike | Detective Chief Inspector |
| Violet |
Pike | Pike's daughter |
| George Bernard |
Shaw | Irish playwright |
| Mrs. |
Slowcroft | Member of the WSPU |
| Rupert |
Sotherby | Dody's fiancée |
| Bernard |
Spilsbury | Dody's predecessor |
| Doctor |
Spilsbury | Forensic pathologist |
| Agatha |
Treylen | Florence's colleague |
| Doctor |
Wilson | Prison doctor |
| Alfred |
| Mortuary attendant |
| Annie |
| Maid of the McCleland family |
| Blake |
| Physician at Holloway |
| Brockman |
| Landlord; Pike's former colleague |
| Cook |
| McCleland family chef |
| Dykins |
| Police officer |
| Fletcher |
| Dody's coachman |
| George |
| Yardman |
| Liam |
| O'Neill's uncle; Sean's father |
| Morley |
| First-class constable |
| Sean |
| O'Neill's cousin |
| Shepherd |
| Superintendent |
| Winnie |
| Brockman's worker |
