Richard Thomas John Boy Walton Actor Ralph Waite John Walton Actor 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 Elizabeth Gill Guest Star Rance Howard Guest Star Gary Dontzig Guest Star Trish Soodik Guest Star Dee Anne Guest Star Michael O'Keefe Guest Star Lee Rich Executive Producer Earl Hamner Jr. Executive Producer Andy White Producer Alf Kjellin Director