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 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 Merlin Olsen Jonathan Garvey Actor Patrick Laborteaux Andy Garvey Actor Matthew Labyorteaux Albert Ingalls Actor Linwood Boomer Adam Kendall Actor Ketty Lester Hester Sue Terhune Actor Dean Butler Almanzo Wilder Actor Lucy Lee Flippin Eliza Jane Wilder Actor Steve Tracy Percival Dalton Actor Dub Taylor Houston Lamb Guest Star Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Brenda Turnbaugh Grace Ingalls Actor Wendi Turnbaugh Grace Ingalls Actor Alvy Moore Mr. Crowley Guest Star Robert Wexler Mr. Pims Guest Star Nancy Lee Grahn Saloon Girl Guest Star Michelle Downey Susan 'Sue' Goodspeed Guest Star