Richard Thomas John Boy Walton Actor, Director Ralph Waite John Walton Actor, Director Michael Learned Olivia Walton Actor Will Geer Zeb "Grandpa" Walton Actor Ellen Corby Esther "Grandma" Walton Actor Judy Norton Mary Ellen Walton Willard Actor Jon Walmsley Jason Walton Actor Mary Beth McDonough Erin Walton Actor Eric Scott Ben Walton Actor David W. Harper Jim-Bob Walton Actor Kami Cotler Elizabeth Walton Actor Joe Conley Ike Godsey Actor Bill Quinn Guest Star Ronnie Claire Edwards Corabeth Godsey Actor James Gammon Guest Star Glen Gordon Guest Star Nora Marlowe Guest Star Julie Rogers Guest Star Hilliard Livingston Guest Star Mills Watson Guest Star Lee Rich Executive Producer Robert L. Jacks Producer Ivan Dixon Director Ralph Senensky Director Harry Harris Director Jack Shea Director Philip Leacock Director Alf Kjellin Director Harvey Laidman Director Lee Philips Director