| CHARACTER | AUTHOR | TYPE |
| Sir John Appleby | Michael Innes | Policeman |
| Inspector Napoleon Bonaparte | Arthur Upfield | Policeman |
| Dame Beatrice Bradley | Gladys Mitchell | Amateur Investigator |
| Father Brown | GK Chesterton | Amateur Sleuth |
| Albert Campion | Margery Allingham | Amateur Investigator |
| Charlie Chan | Earl Derr Biggers | Police |
| Joshua Clunk | HC Bailey | Amateur Investigator |
| Thatcher Colt | Anthony Abbot | Police |
| Adam Dalgliesh | PD James | Policeman |
| Andrew Dalziel | Reginald Hill | Police |
| Judge Dee | Robert Van Gulk | Policeman |
| Sir Clinton Driffield | JJ Connington | Police |
| Dr Gideon Fell | John Dickson Carr | Amateur |
| Inspector Septimus Finch | Margaret Erskine | Policeman |
| Reggie Fortune | HC Bailey | Policeman |
| Henry Gamadge | Elizabeth Daly | Amateur Slueth |
| Inspector Ghote | HRF Keating | Policeman |
| Tommy Hambledon | Manning Coles | Spy |
| Mike Hammer | Mickey Spillane | Private Investigator |
| Inspector Hanaud | AEW Mason | Policeman |
| Inspector Hazelrigg | Michael Gilbert | Policeman |
| Sherlock Holmes | Arthur Conan Doyle | Amateur Detective |
| Sam Jones | Lauren Henderson | Amateur |
| Arsene Lupin | Maurice Leblanc | Criminal |
| Inspertor Macdonald | ECR Lorac | Policeman |
| Inspector Maigret | Simenon | Policeman |
| Antony Maitland | Sara Woods | Amateur |
| Superintendent Mallet | Mary Fitt | Policeman |
| Dr Fu Manchu | Sax Rohmer | Criminal |
| Miss Jane Marple | Agatha Christie | Private Sleuth |
| Asey Mayo | Phoebe Atwood Taylor | Amateur |
| Travis McGee | John D Macdonald | Amateur |
| The Great Merlini | Clayton Rawson | Amateur |
| Desmond Merrion | Miles Burton | Private Sleuth |
| Sir Henry Merrivale | Carter Dickson | Amateur |
| Evan Pinkerton | David Frome | Amateur |
| Stephanie Plum | Janet Evanovich | Amateur |
| Hercule Poirot | Agatha Christie | Amateur Sleuth |
| Dr Priestly | John Rhode | Amateur Detective |
| Raffles | EW Hornung | Gentleman Thief |
| Roger Sherringham | Anthony Berkeley | Amateur Sleuth |
| Miss Silver | Patricia Wentworth | Private Sleuth |
| Dr Syn | Russell Thorndyke | Villain |
| Simon Templar | Leslie Charteris | Gentleman Adventurer |
| Inspector Thanet | Dorothy Simpson | Professional |
| John Putnam Thatcher | Emma Lathen | Amateur |
| Dr John Thorndyke | R Austin Freeman | Private Sleuth |
| Philip Tolefree | RAJ Walling | Private Sleuth |
| Ludovic Travers | Christopher Bush | Private Sleuth |
| Mark Treasure | David Williams | Amateur |
| Philo Vance | SS Van Dine | Amateur Sleuth |
| Inspector Wexford | Ruth Rendell | Policeman |
| Hildegarde Withers | Stuart Palmer | Amateur Sleuth |
| Nero Wolfe | Rex Stout | Private detective |
| Charles Wycliffe | WJ Burley | Policeman |