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 Jonathan Gilbert Willie Oleson Actor Kevin Hagen Dr. Baker Actor Dabbs Greer Rev. Robert Alden Actor Charlotte Stewart Eva Beadle Simms Actor Victor French Mr. Isaiah Edwards Actor, Director Ted Gehring Ebenezer Sprague Actor Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Janice Carroll Mrs. Kennedy Guest Star Ed Crick Mr. Taylor Guest Star Ruth Foster Melinda Foster Guest Star Tracie Savage Christy Kennedy Guest Star Donna Anderson Woman Guest Star James Killmond Johnny Guest Star Hindi Brooks Writer