| Character Name | Occupation | Nationality |
| Sir Sebastian Thomas | Gentleman Thief/Secret Agent | British |
| Salvatore Antei | Gadgeteer | Italian |
| Character Name | Occupation | Nationality |
| Anna Visone | Sorceress of the Order of Prospero | Italian |
| Cecelia von Klausovich | GentleWoman | Austrian |
| Contessa Consuela Hernandez | Adventuress | Spanish |
| Giselle Lacourt | Performer/Secret Agent | French |
| Gottfried Arneson | Steam Engineer | Danish |
| Captain Ivan Rostov | Dashing Hussar | Russian |
| Mädchen Berger | Consulting Detective | Bayernese |
| Lord Owen Griffiths | Faerie Lord | British |
| Rodrigo di Fuentes | Explorer | Portuguese |
| Samuel Paige | Journalist | American (United States) |
| Character Name | Occupation | Nationality |
| Character Name | Occupation | Nationality |
| Character Name | Occupation | Nationality |
| Mycroft Holmes | Civil Servant/Diplomat | British |
| Character Name | Occupation | Nationality |
| Character Name | Occupation | Nationality |
| Carnacki | Ghost Finder | British |
| Character Name | Occupation | Nationality |
| Dixon Brett | British | |
| Sherlock Holmes | Consulting Detective | British |
| Inspector Tobias Gregson | Scotland Yard Detective | British |
| Inspector George Lestrade | Scotland Yard Detective | British |
| Character Name | Occupation | Nationality |
| Fu Manchu | Chinese | |
| Professor James Moriarty | British | |
| Raffles | Gentleman Thief | British |
| Character Name | Occupation | Nationality |
| John Worrell Keely | American (United States) | |
| Nikolai Tesla | Russian |
| Character Name | Occupation | Nationality |
| Irene Norton, née Adler | Performer | American (United States) |
| Harry Flashman | Adventurer | British |
| Rupert of Hentzau | Adventurer | Ruritanian |
| Dr. John Watson | Doctor | British |
| Character Name | Occupation | Nationality |
| Sherlock Holmes | Consulting Detective | British |
| Dr. John Watson | Doctor | British |
| Mycroft Holmes | Civil Servant/Diplomat | British |
| Inspector Tobias Gregson | Scotland Yard Detective | British |
| Inspector George Lestrade | Scotland Yard Detective | British |
| Professor James Moriarty | British | |
| Irene Norton, née Adler | Performer | American (United States) |