| A | B |
| Sherlock Holmes | ______ is a private detective who solves crimes and mysteries by using his superior powers of deduction. |
| Dr. John Watson | ______ is Sherlock Holmes's loyal sidekick and friend who accompanies Sir Henry to investigate the mysterious events at Baskerville Hall and reports back to Holmes. |
| Sir Henry Baskerville | ______ is the apparent sole heir to the Baskerville estate and fortune. He is the current target of threats and mysterious events connected to the Baskerville legend. |
| Sir Charles Baskerville | ______ is the late master of Baskerville Hall who died of an apparent heart attack under mysterious circumstances. A superstitious man, he suffered from anxiety over the Baskerville curse. His generous philanthropy greatly benefited Devonshire county. |
| Sir Hugo Baskerville | ______ is the lecherous, hard-drinking, and violent ancestor who generations ago chased an innocent maiden to death out on the moor. According to legend his depraved behavior was punished by a spectral hellhound that mauled and killed him. Hence the legend of the hound that haunts the Baskervilles. |
| Dr. James Mortimer | ______ is a country physician and friend of the Baskervilles, who has been appointed executor of Sir Charles's estate. He shares the Baskerville legend with Sherlock Holmes and requests the detective's help in protecting Sir Henry from apparent danger. |
| Mr. Jack Stapleton | ______ is a butterfly-hunting entomologist and former schoolmaster. The bookish façade hides one of the more cunning villains Sherlock Holmes and Dr. Watson have ever faced. |
| Miss Beryl Stapleton | ______ is introduced as Jack Stapleton's beautiful and exotic sister, but she turns out to be his wife. |
| Mr. John Barrymore | ______ is the mysterious bearded butler of Baskerville Hall. He is one of the more viable suspects, and for much of the novel it seems that indeed "the butler did it." |
| Laura Lyons | ______ is the beneficiary of Sir Charles's generosity, she owns a typewriting business in a nearby town. She wrote the letter that lured Sir Charles out on the fateful night of his death. |
| Selden | ______ is an escaped convict. His presence on the moor seems like a threat to Sir Henry and Devonshire County, yet he turns out to be Mrs. Barrymore's younger brother and ends up a victim himself. |
| Mr. Frankland | ______ is an elderly resident of Devonshire County who enjoys frivolous lawsuits. He scans the moor with his telescope to find the escaped convict and inadvertently discovers the mysterious man on the tor. |
| Anthony | ______ is the Stapletons' servant at Merripit House. |
| Mrs. Eliza Barrymore | ______ is the housekeeper at Baskerville Hall and the butler's wife. She can be heard crying at night because, as it turns out, she is worried about her brother who is the escaped convict hiding on the moor. |
| Lestrade | ______ is an inspector from Scotland Yard. |
| John Clayton | ______ is the cabbie who chauffeurs the mysterious bearded man around London. When questioned by Holmes, he reports that his fare used the name Sherlock Holmes. |
| Cartwright | ______ is a messenger boy who runs errands for Sherlock Holmes. |
| Coombe Tracey | ______ is the town not too far away from Baskerville Hall. It is where Laura Lyons lives. |
| Northumberland | ______ is the hotel in London where Sir Henry was staying. |
| Merripit | ______ is the name of Stapleton's house. |
| Grimpen | ______ is the name of the mire. |
| Perkins | ______ is the name of the horse groomer at Baskerville Hall. |