Earl Hamner Jr. Creator, Writer 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 John Crawford Sheriff Ep Bridges Actor Joe Conley Ike Godsey Actor Mary Jackson Emily Baldwin Actor Helen Kleeb Mamie Baldwin Actor Mariclare Costello Miss Rosemary Hunter Guest Star Teddy Wilson Hawthorne Dooley Guest Star Scott McCartor Beaumont Guest Star Mark Montgomery Addison Guest Star Lisa Eilbacher Jeanette Guest Star Nancy Jeris Lois May's Mother Guest Star Laurie Prange Lois May Bascomb Guest Star Richard Bradford Lutie Bascomb Guest Star Lee Rich Executive Producer Merv Adelson Executive Producer Robert L. Jacks Producer Harry Harris Director