Alison Arngrim

Alison Margaret Arngrim (born January 18, 1962) is an American actress and author. Beginning her television career at the age of twelve, Arngrim is a Young Artist Award–Former Child Star "Lifetime Achievement" Award honoree, best known for her portrayal of Nellie Oleson on the NBC television series ''Little House on the Prairie'' from 1974 to 1982.

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