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