| A | B |
|---|
| Joel Bates | boy who did not want to climb the Starved Rock Bluffs |
| Tony Zabrinsky | dare-devil who always took Joel's bike |
| Bobby Bates | Joel's younger brother who likes to help him with his paper route |
| Mr. Zabrinsky | Tony's dad who questions Joel about their bike trip |
| Mr. Bates | Joel's dad who gives the boys permission to go on the trip |
| Mrs. Zabrinsky | Tony's mom who worries about him more than all of the other children combined |
| teenage girl in the car | doesn't want to help Joel because she called in sick from work |
| teenage boy in car | tries to find Tony by swimming and diving in the river |
| police officers | question Joel and speaks with the Zabrinsky and Bate families |
| Mrs. Bates | Joel and Bobby's mom |
