| A | B |
| Jim Hawkins | curious lad who finds a map, joins a cruise, thinks for himself, and saves the day |
| Jim's father and mother | owners of the Admiral Benbow inn |
| Old Sea Dog/Captain/Billy Bones | the round and rowdy guest at the Admiral Benbow inn |
| Black Dog | and old "friend" of the Old Sea Dog |
| Old Pew | the blind beggar with the Black Spot |
| Doctor Livesey | a country doctor who puts up with no nonsense |
| Squire Trelawney | a wealthy man who puts up the money for the treasure cruise |
| Hispaniola | the ship that sets sail with twenty-seven men for Treasure Island |
| Captain Smollett | a wise and good man |
| Tom Redruth | the squire's gameskeeper |
| Long John Silver | the crooked Sea Cook, his shipmates call him "Barbecue" |
| Mr. Arrow | first mate who is the first to "go" |
| Israel Hands | coxswain who steers the ship |
| Job Anderson | boatswain, captain's assistant |
| Captain Flint | Long John Silver's parrot, named for the pirate who made the map of Treasure Island |