| A | B |
| Laura Lyons | was supposed to rendevous with Charles Baskerville the night the he died. |
| Henry Baskerville | lost two different boots/received a letter to stay away from the estate |
| Seldon | Convict |
| Sir Charles Baskerville | Civic minded landowner who died suddenly |
| Mr. Barrymore | ally of the convict |
| Hugo Baskerville | Founder of the Baskerville family |
| Mr. Lestrade | detective from Scotland Yard |
| Hound | Symbol of evil |
| Seldon | Convict |
| Mr. Stapleton | Antagonist of this story |
| Dr. Mortimer | carried a bulbous cane |
| Dr. Watson | author patterned himself after this person |
| Cartwright | street smart young man who helped Holmes |
| Sherlock Holmes | saw a resemblance in a picture/deductive reasoner |
| Frankland | astronomer;searcher for convict;attorney |