Michael Landon Charles Ingalls Actor, Executive Producer, Director 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 E.J. Andre Zachariah Guest Star Lindsay Greenbush Carrie Ingalls Actor Sidney Greenbush Carrie Ingalls Actor Larry Pennell Ben Griffin Guest Star Wil Albert Mr. Delano Guest Star Larry Golden Reverend Phillips Guest Star Robert Forward Harlan Guest Star Brian Part Carl Sanderson Edwards Guest Star Kyle Richards Alicia Sanderson Edwards Guest Star Vernon Weddle Assayer Andy Anderson Guest Star Steve Shaw Sam Delano Guest Star Alan McRae Angus Thoms Guest Star Vanna Salviati Mrs. Delano Guest Star Sparky Watt Mr. Sawyer Guest Star Dick Armstrong Grady Jennings Guest Star Brian Libby Jake Guest Star John Hawkins Writer B.W. Sandefur Writer