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 Merlin Olsen Jonathan Garvey Actor Patrick Laborteaux Andy Garvey Actor Hersha Parady Alice Garvey Actor Mike Lookinland Patrick - Boy on Train Guest Star Radames Pera John Sanderson Edwards Guest Star John Milford Ennis O'Connell Guest Star Herbert Nelson Fletcher Hancock Guest Star Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Paula Shaw Angela Guest Star Richard Stanley Wesley Cox Guest Star Lisa Reeves Claire Lawrence Guest Star Bernie Kuby Conductor Guest Star Hank Stohl Reporter Guest Star Michael Dan Wagner Chairman Guest Star Len Lawson Bellboy Guest Star Barbara Morrison Dowager Guest Star Carole Raschella Writer Michael Raschella Writer William F. Claxton Director