1 | Bobby | Jones | Protagonist. aka: Robert Jones, Edward Hawkins. |
| Dr. | Thomas | Bobby's companion. |
2 | Thomas | Jones | Bobby's father. Vicar. |
| Bassington | Ffrench | Stranger Bobby met at the bottom of the cliff. |
3 | Frankie | | Bobby's childhood friend. aka: Lady Frances Derwent. |
| Angela | | Frankie's friend. |
| Leo | Cayman | Amelia's husband. aka: Mr. Cayman. |
| Alex | Pritchard | The dead man Bobby found on the cliff. |
| Badger | Beadon | Bobby's childhood friend. Planning on starting a business with. |
4 | The | Coroner | Police officer that took the inquest on Alex's death. |
| Amelia | Cayman | Alex's sister. aka: Mrs. Cayman. |
6 | Carrie | | Badger's aunt. |
| | Henriquez | Owner of the Henriquez and Dallo Firm. |
| | Dallo | Co-owner of the Henriquez and Dallo Firm. |
| Mrs. | Roberts | Mr. Roberts's wife. |
| Mr. | Roberts | Man who ran the vicarage in Marchbolt. |
7 | Dr. | Thorndyke | Bobby's doctor. |
9 | Lord | Marchington | Frankie's father. |
| Mr. | Owen | Owner of Messr. Wheeler & Owen. |
| Frank | | Mr. Owen's junior clerk. |
| Inspector | Williams | Frankie's old acquaintance. Police inspector. |
10 | George | Arbuthnot | Doctor. Frankie's accomplice. |
11 | Sylvia | Bassington-Ffrench | Accompanied Frankie on her fake accident. |
12 | Tommy | Bassington-Ffrench | Sylvia and Henry's son. |
| Henry | Bassington-Ffrench | Sylvia's husband. Master of the house. |
| Roger | Bassington-Ffrench | Henry's brother. Sylvia's brother-in-law. |
13 | Jasper | Nicholson | Doctor. Bassington-Ffrench's friend. |
| Moira | Nicholson | Sylvia's friend. Dr. Nicholson's wife. |
| Alan | Carstairs | Big game hunter and explorer. Alex's look-alike. |
14 | John | Savage | Millionaire. Alan's friend. |
| Reeves | | Bassington-Ffrench's message boy. |
15 | Mr. | Askew | Landlord. Witnessed Lady Frances's fake accident. |
16 | Frederick | Spragge | Frankie's father's solicitor. |
17 | Hubert | Rivington | Alan's friend. aka: Colonel Rivington. |
| Edith | Rivington | Colonel Rivington's wife. |
25 | Rose Emily | Templeton | John's acquaintance. |
27 | Dr. | Davidson | Local coroner assigned in Henry's death. |
| Edgar | Templeton | Rose Emily's husband. |
29 | Rose | Chudleigh | Mr. Templeton's cook. aka: Mrs. Pratt. |
| Albert | Mere | Mr. Templeton's gardener. |
| Elford | | John Savage's lawyer. |
| Leigh | | John Savage's lawyer. |
31 | Gladys | | House parlourmaid of Mr. Templeton. |
33 | Donald | King | Frankie's acquaintance. |