| Pro |
Violet | Pike |
Pike's daughter |
| | Marjorie |
Ashleigh | Violet's friend |
| | Emmeline |
Pankhurst | Leader of the women's suffrage movement; Christabel's mother |
| | Christabel |
Pankhurst | Emmeline's daughter; militant member of the WSPU |
| | Mr. |
Asquith | Prime Minister |
| | Mrs. |
Ashleigh | Marjorie's mother |
| | Elizabeth |
Garrett | First registered female doctor in Britain |
| 1 | Dorothy |
McCleland | Protagonist. Aka: Dody |
| | Rupert |
Sotherby | Dody's fiancée |
| | Florence |
McCleland | Dody's sister |
| | George Bernard |
Shaw | Irish playwright |
| | Bernard |
Spilsbury | Dody's predecessor |
| | Shepherd |
| Superintendent |
| | Matthew |
Pike | Detective Chief Inspector |
| | Doctor |
Spilsbury | Forensic pathologist |
| | Hawley |
Crippen | Murderer |
| | Ethel |
Le Neve | Crippen's lover |
| | Catherine |
Cartwright | Close friend of Florence |
| | Mr. |
Bright | Assistant coroner |
| | Alfred |
| Mortuary attendant |
| | Jemima |
Jefferson | Victim |
| | Margaret |
Baxter | Victim; Florence's friend |
| 3 | Doctor |
Mangini | Medical practitioner |
| | Walter |
Fisher | Police sergeant; Pike's assistant |
| | Dykins |
| Police officer |
| 4 | Annie |
| Maid of the McCleland family |
| | Hugo |
Cartwright | Catherine's nephew |
| | Millicent |
Fawcett | Suffragist; Elizabeth Garrett's sister |
| 5 | Daisy |
Atkins | Florence's colleague |
| | Molly |
Jenkins | Florence's colleague |
| | Elizabeth |
Garrett | Doctor; sister of Millicent Fawcett |
| | Mrs. |
Slowcroft | Member of the WSPU |
| | Olivia |
Barndon-Brown | Member of the WSPU |
| | Jane |
Lithgow | Florence's colleague |
| | Agatha |
Treylen | Florence's colleague |
| | Miss |
Hobhouse | Welfare campaigner |
| 7 | Winnie |
| Brockman's worker |
| | Brockman |
| Landlord; Pike's former colleague |
| | Derwent |
O'Neill | Suspect convicted for bombing activities |
| | Sean |
| O'Neill's cousin |
| | Liam |
| O'Neill's uncle; Sean's father |
| | Seamus |
O'Neill | O'Neill's father |
| 9 | Fletcher |
| Dody's coachman |
| | Mrs. |
Keating | Pike's widowed landlady |
| 10 |
Thomas | Callan |
Police superintendent |
| | Morley |
| First-class constable |
| 11 |
Constance | Lytton |
Imprisoned suffragette |
| 13 |
Doctor | Wilson |
Prison doctor |
| | Cora |
Crippen | Hawley Crippen's deceased mother |
| 14 |
Mr. | Ellis |
Hangman |
| 16 |
Patrick | O'Neill |
Derwent's brother |
| | Louise |
McCleland | Dody's mother |
| | George |
| Yardman |
| 19 |
Joe | Excel |
Former dismissed police officer |
| 20 |
Cook | |
McCleland family chef |
| 21 |
Doctor | Eccles |
Dody's professor |
| 22 |
Nellie | Melba |
Opera soprano |
| 27 |
Blake | |
Physician at Holloway |
| 28 |
Winston | Churchill |
Home Secretary |
| 30 |
Mr. | Biggs |
Olivia's doorman |
