American actress-author-composer Jessica Harper was born on October 10, 1949 in Chicago, Illinois, to Eleanor (Emery), a writer, and Paul Church Harper, Jr., a painter who was chairman of the Needham Harper Worldwide advertising agency in NY. Jessica launched her professional acting career soon after graduating from Sarah Lawrence. Drawing on her considerable singing skills, she was an understudy in the Broadway production of the "tribal love" rock musical Hair (1979) -- other understudies included Diane Keaton, Melba Moore, Keith Carradine, Meat Loaf and Cliff De Young, who would later co-star with Harper in Shock Treatment (1981),which also showcased her musical gifts.