Charles Ingalls
Caroline Ingalls
Laura Ingalls
Mary Ingalls
Carrie Ingalls (as Lindsay Sidney Greenbush)
Carrie Ingalls
Grace Ingalls
Albert Ingalls
Adam Kendall
Nellie Oleson (archive footage)
Nels Oleson (archive footage)
Willie Oleson (archive footage)
Rev. Robert Alden (archive footage)
Dr. Hiram Baker (archive footage)
Harriet Oleson (archive footage)
Eva Beadle (archive footage)
Lars Hanson (archive footage)
Jonathan (archive footage)
Sandler (archive footage)
Isaiah Edwards (archive footage)
Lansford Ingalls (archive footage)
Jacob Jacobsen (archive footage) (as Richard Hurst)
Jack Peters (archive footage)
Laura Colby Ingalls (archive footage)
Grace Snider Edwards (archive footage)
Liam O'Neill (archive footage)
Elna Jacobsen (archive footage)
Dr. Mayo (archive footage)
Ebenezer Sprague (archive footage)
Clerk (archive footage)
Peter Ingalls (archive footage)
Eliza Ingalls (archive footage)
Jonah (archive footage)
Young girl in the library (uncredited)