Joe Lazarov Director Bellamy Young Olivia Actor Logan Shroyer John Boy Actor Teddy Sears John Sr. Actor Marcelle LeBlanc Mary Ellen Actor Christian Finlayson Jason Actor Tatum Matthews Erin Actor Samuel Goergen Jim Bob Actor Alpha Trivette Grandpa Walton Actor Rebecca Koon Grandma Walton Actor Callaway Corrick Elizabeth Walton Actor Marilyn McCoo Sister Harriet Actor Billy Davis Jr. Sister Harriet Actor Richard Thomas Narrator Jim Strain Screenwriter Billy Levin Producer Bobby Kelly Producer David Grace Producer Sam Haskell Executive Producer Paul Varrieur Cinematographer Patrick Perry Film Editing Tena Clark Original Music Jeffrey D. Kmiec Art Director Michael Boyd Costume Design