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 Bonnie Bartlett Grace Edwards Actor Sean Kelly Sven Jacobsen Guest Star Richard Basehart Hannibal Applewood Guest Star Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Jack McCulloch George Jackson Guest Star Cooper Huckabee Herman Stone Guest Star John Hawkins Writer