Send us Fan Mail I remember Monday nights on NBC and later rushing home from school to watch Charles Ingalls and the folks of Walnut Grove on Little House on the Prairie. In this episode, we are visiting with the gal everyone just loved to hate on Little House - that notorious Nellie Oleson (aka actress ⁠Alison Arngrim⁠)! Listen in as Alison tells us about Willie (Jonathan Gilbert), Harriet (Katherine McGregor), Charles (Michael Landon), and more! Here's your opportunity to get to know the ac...