John Francis McMartin was an American actor of stage, film and television.

Little Mary Sunshine is a musical that parodies old-fashioned operettas and musicals. The book, music, and lyrics are by Rick Besoyan. The original Off-Broadway production premiered November 18, 1959 at the Orpheum Theatre in New York City's East Village. Staying in the neighborhood, it moved to the Player's Theatre on June 21, 1961, then, finally, to the Cherry Lane Theatre on March 21, 1962. Closing was Sept. 2, 1962. Combined run was 1,143 performances. It was seen briefly in a West End production in 1962 and has become a popular show for amateur and semi-professional groups in the United States and elsewhere.