Michael Landon Charles Ingalls Actor, Executive Producer, Writer, 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 Kevin Hagen Dr. Baker Actor Dabbs Greer Rev. Robert Alden Actor Charlotte Stewart Eva Beadle Simms Actor Victor French Mr. Isaiah Edwards Actor, Director Lindsay Greenbush Carrie Ingalls Actor Bonnie Bartlett Grace Edwards Guest Star Sidney Greenbush Carrie Ingalls Actor Tracie Savage Christy Kennedy Guest Star Jonathan Gilbert Willie Oleson Guest Star James Jeter Hans Dorfler Guest Star Ruth Foster Melinda Foster Guest Star Wayne Heffley Mr. Kennedy Guest Star Juanita Bartlett Writer William F. Claxton Director Ed Friendly Executive Producer Ward Hawkins Writer Gerry Day Writer Harold Swanton Writer Tony Kayden Writer Lewis Allen Director Joseph Bonaduce Writer Dale Eunson Writer John Hawkins Writer Leo Penn Director Arthur Heinemann Writer John Meston Writer Joel Murcott Writer Alf Kjellin Director