- Thelma Votipka, Anthony Marlowe, Nadine Conner, The Metropolitan Opera Orchestra, Edward Caton, Thelma Altman, Jarmila Novotna, Gerhard Pechner, Irene Jessner, Walter Olitzki, Lorenzo Alvary, George Szell, Ludwig Burgstaller, Lodovico Oliviero, Alessio De Paolis, Lillian Raymondi, The Metropolitan Opera Chorus, Mona Paulee, Emery Darcy, Thomas Hayward, Hertha Glaz, Maxine Stellman, Emanuel List
- Thelma Votipka, Margaret Roggero, Louis Sgarro, Leonard Warren, Gabor Carelli, Mildred Allen, Roberta Peters, Eugenio Fernandi, Calvin Marsh, Fausto Cleva, Madelaine Chambers, The Metropolitan Opera Orchestra, Norman Scott, The Metropolitan Opera Chorus, George Cehanovsky, William Wilderman