Mozart, Wolfgang Amadeus (composer), Kathleen Duck, Eric Halfvarson, Adrienne Passen, Eileen Sheridan, Winslow Hancock (1/8), Phyllis Hurt, Carl Glaum, Adrienne Passen, Norma Raybon, Winslow Hancock (1/9), University of Illinois Opera Group (performer), David Lloyd (director), Clinton Thatch (staging), and Grace Wilson (accompanist)