Michael Landon Charles Ingalls Actor, Executive Producer Karen Grassle Caroline Ingalls Actor Melissa Gilbert Laura Ingalls Wilder Actor Melissa Sue Anderson Mary Ingalls Kendall Actor Karl Swenson Lars Hanson Actor Richard Bull Nels Oleson Actor Katherine MacGregor Harriet Oleson Actor Alison Arngrim Nellie Oleson Dalton Actor Kevin Hagen Dr. Baker Actor Dabbs Greer Rev. Robert Alden Actor Charlotte Stewart Eva Beadle Simms Actor Victor French Mr. Isaiah Edwards Actor Alan Fudge Joseph Coulter Guest Star Julie Cobb Trudy Coulter Guest Star Art Lund Tom Jorgenson Guest Star Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Wayne Heffley Mr. Kennedy Guest Star John Alderson Henry Holbrook Guest Star Lew Brown Leadbettor Guest Star Ted Gehring Ed Stacy Guest Star John Pickard Constable Guest Star Jocelyn Brando Woman Guest Star Ward Hawkins Writer Leo Penn Director