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