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