[1] That same year, he was also the first Tom Rakewell, in the world premiere of Igor Stravinsky's opera The Rake's Progress, at La Fenice; his co-stars were Elisabeth Schwarzkopf and Jennie Tourel.
[4] In December of that year, he opened on Broadway in the original production of Leonard Bernstein's Candide, playing the title role opposite Barbara Cook as Cunegonde.
[5] In 1960, he appeared in the role of Nanki-Poo in a "Bell Telephone Hour" television abridgement of Gilbert and Sullivan's opera The Mikado, starring Groucho Marx as Ko-Ko, the executioner.
[12] But in 1965, he returned in a major Broadway production, when he appeared as The Padre in the original stage version of Man of La Mancha,[13] a role he reprised in the 1972 revival at the Vivian Beaumont Theater.
[14] During the last years of his life, Rounseville attended meetings of the NYC founding chapter of "The Sons of the Desert", where he performed for the club's members and enjoyed watching the film comedies of Laurel & Hardy.