| A | B |
| Lennie | simple-minded, large man |
| George | shoots Lennie |
| Aunt Clara | raised Lennie |
| Curley | ex-boxer and boss's son |
| Candy | Swamper on the ranch |
| Slim | leader among the ranch workers |
| Crooks | black man who lives alone |
| Curley's Wife | dreams of being a Hollywood Star |
| Carlson | shoots Candy's dog |
| Whit | reads magazines |
| Giant Rabbit | taunts Lennie in a dream |
| The Boss | Candy calls him "a pretty nice fella" |
| Whitey | Blacksmith who was afraid of lice |
| Bill Tenner | has letter printed in magazine |
| girl in red dress | gets George and Lennie chased out of Weed |