James McCracken, Nicola Moscona, Frank Guarrera, Alessio De Paolis, The Metropolitan Opera Chorus, Milton Cross, Jussi Björling, Salvatore Baccaloni, Dimitri Mitropoulos, Bidú Sayão, Osie Hawkins, Anthony Marlowe, Fernando Corena, Rosalind Elias, Giuseppe Antonicelli, Mimi Benzell, The Metropolitan Opera Orchestra, Francesco Valentino, Lawrence Davidson, Calvin Marsh, George Cehanovsky, Licia Albanese, Thomas Hayward
