Guest Stars Ketty Lester as Hester-Sue Terhune Matt Clark as Seth Berwick Jerry Hardin as Hank Slade Co Starring Ruth Foster as Melinda Foster Vince Tortell as Thomas Charles Parks as Virgil Fenton Carolyn Conwell as Bess Slade Richard Lockmiller as Rawlings Dan Priest as Stationmaster Bradley Greene as Nate Berwick Peter Kilman as Garth Fenton David Rode as Ethan Slade Uncredited Brenda Turnbaugh as Grace Ingalls Wendi Turnbaugh as Grace Ingalls