| | 1926 |
| | Holloway |
Nellie | Coker | Nightclub owner just released from prison, aka "Ma," aka Queen of Clubs |
Ramsay | Coker | Nellie's second son, 21 in 1926, aspiring writer |
Binnie | Hale | British stage actress |
John | Frobisher | Detective Inspector of Scotland Yard, on loan to Bow Street police station |
Amethyst | | Nellie Coker's premier nightclub, aka Deck of Cards |
John Bull | | London magazine |
Gwendolyn | Kelling | Frobisher's civilian subordinate, librarian at the Clifford Street library |
| | The Queen of Clubs |
Freddie | Bassett | Head barman at the Amethyst |
Niven | Coker | Nellie's first son, WWI veteran, has many business interests |
Edith | Coker | Nellie's eldest daughter, |
Betty | Coker | Nellie's second daughter, Cambridge grad, bookkeeper/accountant, took Nellie's place while she was jailed |
Shirley | Coker | Nellie's third daughter, Cambridge grad |
Kitty | Coker | Nellie's fourth daughter, 11 years old in 1926 |
Jaeger | | Nellie's first business partner, dance hall co-owner |
Arthur | Maddox | Detective Sergeant, Bow Street cop who protected the dance hall |
Moulin Vert | | Nellie's first nightclub, "The Green Mill" |
Pixie, Foxhole, Sphinx, Crystal Cup | | Nellie's other nightclubs |
Linwood | | Doorman at the Amethyst, former royal butler |
Keeper | | Niven's German shepherd |
| | Bow Street |
Lottie | Frobisher | DCI Frobisher's wife, Charlotte |
Sergeant | Oakes | Bow Street officer, aka The Laughing Policeman |
| | An Awkward Age |
Alfreda | Murgatroyd | 14-year-old runaway from York, aspiring actress, aka Freda |
Gladys | Murgatroyd | Freda's mother |
Vanda | | Modeling friend of Freda |
Duncan | | Modeling friend of Freda, former sailor |
Adele | | Modeling friend of Freda, leader of the group |
| | The Grand Tableau |
Hawker | | Nellie's chauffeur |
Landor | | A mysterious Hungarian gentleman |
| | A Shropshire Lad |
| | Après la Guerre |
Miss | Tate | Gwendolen's assistant librarian colleagues at the Clifford Street Library |
Miss | Rogerson |
Gwendolen's assistant librarian colleagues at the Clifford Street Library |
Miss | Shaw |
Gwendolen's assistant librarian colleagues at the Clifford Street Library |
Mr. | Pollock | Head Librarian at the Clifford Street Library |
Mrs. | Bodley | Owner/manager of the Warrender, a rooming house where Gwendolen stays in London |
Thomas | Noble | The man who swindled Gwendolen's mother out of all the family's money |
Harry | | Gwendolen's brothers, died in WWI |
Dickie | |
Gwendolen's brothers, died in WWI |
| | Frobisher Deskbound |
Florence | Ingram | Friend of Freda from the dance school whom she persuaded to go with her to London |
| | Nightbirds |
Vivian | Quinn | Author of the Society Paragraphist newspaper column, pretentious acquaintance of Ramsay |
Cissy | Murgatroyd | Freda's older half-sister, married, close friend of Gwendolen |
| | The Dardanelles |
Emin | | Niven's Turkish barber |
Azzopardi | | Crook who wants to take over Nellie's clubs |
| | The Sights of London |
Mr. | Jenkinson | The Kelling family lawyer |
| | Iced Fancies |
Lenny | Birdwhistle | Freda's mother's boyfriend, aka Lenny |
| | The Fisher King |
Webb | | The police doctor at the Bow Street mortuary |
| | In Haste |
Wilfred | | Cissy's husband, a civil engineer |
Mr. | Ingram | Florence's father |
| | The Home Front |
William | Cobb | Police constable at Bow Street |
| | Voilà! |
Phyllis | | The Coker's scullery maid |
| | His Prepar'd Prey |
Ruth | Ingram | Florence's mother |
Mrs. | Darling | Owner of the boarding house in London Freda & Florence found |
Ada | Sherbourne | Owner & dance instructor at the Vanbrugh Academy of Dance in London where Freda & Florence enrolled |
| | The Crystal Cup |
Templeton | | Manager at The Crystal Cup club |
Maud | | Phantom that Nellie sees in the club |
| | The Spoils of Egypt |
Gerrit | | Dutch head barman at the Sphinx club, Ramsay's domain, gives Ramsay cocaine injections |
| | A Kidnap, a Raid, and a Small Fire |
Bertha | | Food preparer at the Pixie Club |
| | The Audition |
Mr. | Lionel | Employee at the Adelphi Theater |
Miss | Young | Secretary at the Adelphi Theater |
Owen | Varley | Disreputable manager of the Adelphi Theater |
| | Carpe Noctem |
Luca | Frazzini | Leader of a gang of hooligans |
Aldo | | The gang member who was shot in the fracas at the Amethyst Club |
| | Pastoral |
| Webb | Police doctor |
| | A Change of Scene |
Gertie | Bridges | A prostitute |
| | Fairyland |
Pamela | Berowne | Friend of Ramsay Coker |
| | In the Park |
Agnes | | Nellie's former cellmate in Holloway Prison, Phyllis' aunt |
Joe | Spiteri | Burglar, changed his name to Azzopardi |
| | Pour le Sport |
Herbert | | Blind cornetist that Gwendoyn helped, aka Bert |
Pierrot | | Frobisher's dog |
| | Hail, Mortal! |
Joan | | Vanda's friend & neighbor in London |
| | The Waste Land |
Mrs. | Taylor | Woman from Colchester whose daughter ran away |
Wilhelmina | Carter | Mrs. Taylor's missing daughter, aka Minnie |
Harold | Taylor | Mrs. Taylor's 2nd husband |
| | The Riddle of the Sphinx |
Cherry | Ames | An acquaintance of Freda's from the Vanbrugh Dance School, now in a play at the Palace Theater |
| | The Box |
Mr. | Sneddon | Manager at the bank Nellie uses |