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 Ted Gehring Ebenezer Sprague Actor Bonnie Bartlett Grace Edwards Actor Michael James Wixted Roy Collins Jr. Guest Star Richard Mulligan Granville Whipple Guest Star Queenie Smith Mrs. Amanda 'May' Whipple Guest Star Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Kelly Jean Peters Vera Collilns Guest Star Ruth Foster Melinda Foster Guest Star B.W. Sandefur Writer William F. Claxton Director