Michael Landon Charles Ingalls Actor, Executive Producer, Director Karen Grassle Caroline Ingalls Actor Melissa Gilbert Laura Ingalls Wilder Actor Richard Bull Nels Oleson Actor Katherine MacGregor Harriet Oleson Actor Jonathan Gilbert Willie Oleson Actor Kevin Hagen Dr. Baker Actor Dabbs Greer Rev. Robert Alden Actor Matthew Labyorteaux Albert Ingalls Actor Ketty Lester Hester Sue Terhune Actor Dean Butler Almanzo Wilder Actor Lucy Lee Flippin Eliza Jane Wilder Actor Jason Bateman James Cooper Actor Melissa Francis Cassandra Cooper Actor Allison Balson Nancy Oleson Actor Victor French Mr. Isaiah Edwards Actor Chris Hendrie Coy Guest Star John Dennis Johnston Lawrence Guest Star Tom Roy Lowe Leon Guest Star Bill Vint Escal Guest Star R.D. Call Dwayne Guest Star Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Brenda Turnbaugh Grace Ingalls Actor Wendi Turnbaugh Grace Ingalls Actor Hal Smith Trumble Guest Star Doug McGrath Harkness Guest Star Lionel Decker Doctor Guest Star Robert Telford Gun Proprietor Guest Star Eldon Quick Teller Guest Star Nancy Berggren Aggie Guest Star John Kelly Sheriff Guest Star Georg Olden Danny Guest Star Paul W. Cooper Writer