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 Bonnie Bartlett Grace Edwards Actor Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Brian Part Carl Sanderson Edwards Guest Star Rance Howard Simpson Guest Star Marshall Kent Dr. Quimby Guest Star Kyle Richards Alicia Sanderson Edwards Guest Star Richard Farnsworth Wall Guest Star Alex Sharp Burman Guest Star Raymond Guth Dixon Guest Star John Hawkins Writer