Writing Credits (in alphabetical order)
| Eric Knight | ... | (character) |
Cast (in credits order)
| Jan Clayton | ... | Ellen Miller | |
| Tommy Rettig | ... | Jeff Miller | |
| George Cleveland | ... | George 'Gramps' Miller | |
| Frank Ferguson | ... | Dr. Peter Wilson | |
| Rest of cast listed alphabetically: | |||
| Robert Clarke | ... | Tom McLaughlin | |
| Lassie the Dog | ... | Lassie | |
| Susan Seaforth Hayes | ... | Melanie | |
Camera and Electrical Department
| Val O'Malley | ... | camera operator (uncredited) |
Additional Crew
| Ivan A. Peterson | ... | veterinarian |
