Ernesto Gonzales, Elizabeth Carron, Thomas Schippers, Gabrielle Ruggiero, David Poleri, Leon Lishner, John Reardon, Studio Chorus, Studio Orchestra, Lucy Becque, Keith Kaldenberg, Russell Goodwin, David Aiken, Gloria Lane, Catherine Akos, Maria Di Gerlando, Gian Carlo Menotti, Maria Marlo, Richard Cassilly