Nancy Kilgas, Nancy Blanche Kilgas adıyla ABD'de doğdu. Yedi kardeşe yedi gelin (1954), Yeni ilahlar (1954), Oklahoma! (1955) (uncredited dancer) (1955), When Gangland Strikes (1956), Coşan gençlik (1956), Loving You (1957), Şahane macera (1957), Earth vs the Spider (1958) (dancer) (1958), High School Hellcats (1958), Alfred Hitchcock Presents - The Blessington Method (1959) ve Esrar perdesi (1966) (uncredited dancer) (1966).