As a teenager has difficulty coping with his mother's remarriage, he finds and nurses back to health a German Shepherd, but keeps him a secret for fear that his stepfather would return him to his original owner.
- Earl Holliman ... Cal Finch
- Ron Howard ... Chris (as Ronny Howard)
- Jacqueline Scott ... Fran Fitch
- Shug Fisher ... Leroy
- Andy Devine ... Mr. Stone
- Pamelyn Ferdin ... Susie
- Kelly Thordsen ... Mr. Horn