Renata Tebaldi, Giuseppe Campora, Leonard Warren, Helen Vanni, Alessio De Paolis, Calvin Marsh, George Cehanovsky, Clifford Harvuot, Emilia Cundari, James McCracken, Osie Hawkins, Metropolitan Opera Chorus, Metropolitan Opera Orchestra, Fausto Cleva, Nicola Filacuridi, Ugo Savarese, Coro del Maggio