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 Bonnie Bartlett Grace Edwards Actor James Shigeta Sam Wing Guest Star Ivan Bonar Dr. Mayes Guest Star John McLiam Harris Guest Star Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor James B. Sikking Mr. Franklin Guest Star Darrell Zwerling Horace Benson Guest Star M.P. Murphy Clancy Guest Star Cordy Clark Sarah Mulligan Guest Star John Hawkins Writer William F. Claxton Director