Complex sentence: Barrie Chase (born October 20,1934 or 1936), an American dancer and actress, made four television appearances as Fred Astaire's dance partner in his television specials between 1958 and 1968.
Split into simpler sentences: Barrie Chase (born October 20 1933) is an American dancer and actress. She made four television appearances as Fred Astaire's dance partner in his television specials between 1958 and 1968.