Jed and his dog Lightning contend with the boy's abusive father.
| Actor | Role |
|---|---|
 Lightning the German ShepherdLightning, Jed's Dog | Lightning, Jed's Dog |
| DDouglas HaigJed Strong | Jed Strong |
 Frank BrownleeJohn Strong the Father | John Strong the Father |
 Mary MacLarenMrs. Strong | Mrs. Strong |
| PPatricia ChapmanMiss Wilson the School Teacher | Miss Wilson the School Teacher |
| SSamsonThe Bear | The Bear |