Jill O'Hara (born August 23, 1947) is an American actress and singer.
She was nominated for the Tony Award for Best Lead Actress in a Musical in 1969 for creating the role of Fran Kubelik in Promises, Promises, a role made famous by Shirley MacLaine in the movie the musical is based on, The Apartment (1960).
Her father, John B. O'Hara, was a salesman, and her mother, Edith O'Hara (née Hopkins), was a journalist and drama teacher, who founded the storied 13th Street Repertory Theatre in New York City.
Edith O'Hara directed a children's theater in Warren, where the two daughters occasionally acted.
[3] O'Hara created the role of Sheila in the original Off-broadway production of Hair in 1967.