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