Michael Landon Charles Ingalls Actor, Executive Producer, Director 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 Bonnie Bartlett Grace Edwards Actor Burl Ives Sam Shelby Guest Star Johnny Crawford Ben Shelby Guest Star Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Paul Brinegar Glover Guest Star Michael Rougas Dr. Canby Guest Star Ed Friendly Executive Producer Harold Swanton Writer