Katherine MacGregor
Harriet Olson (48 eps)
Alison Arngrim
Nellie Oleson (25 eps)
Melissa Gilbert
Laura Ingalls (24 eps)
Karen Grassle
Caroline Ingalls (24 eps)
Melissa Sue Anderson
Mary Ingalls (24 eps)
Richard Bull
Nels Oleson (24 eps)
Lindsay Greenbush
Carrie Ingalls (24 eps)
Sidney Greenbush
Carrie Ingalls (24 eps)
Michael Landon
Charles Ingalls (24 eps)
Bill Calvert
Clay Mays (2 eps)
Kevin Hagen
Dr. Hiram Baker (1 eps)
Eddie Quillan
Buffalo Bill (1 eps)
Jonathan B. Woodward
Tommy Dobkins (as Jonathan Woodward) (1 eps)