Jan Kiepura
Riccardo Gatti
Aileen Marson
Mary Newberg
Emlyn Williams
Theodore Bruckner
Sonnie Hale
Gatti's secretary
Reginald Smith
Baron Felix Kleeberg
Gina Malo
Kleeberg's Brunet
George Merritt
Otto Newberg
Muriel George
Mrs. Newberg
D.J. Williams
Opera House Secretary
Bruce Winston
