Who played Nels Oleson in Little House on the Prairie?

American film, stage, and television actor Richard Bull was best known for his role as Nels Oleson on Little House on the Prairie. Nels is the husband of Harriet Oleson and the father of three children named Nellie, Willie, and an adopted daughter named Nancy.

Asked by Rachel Bortles · Last updated 5 years ago · 498.9K views · SOURCE