Frederick Brady
Ted Barry
Eric Blore
Mr. Frisbie
Steven Geray
Ludwig van Beethoven
Fritz Feld
Niccolò Paganini (uncredited)
Eric Mayne
(uncredited)
Lionel Royce
Pyotr Tchaikovsky (uncredited)
Billie Thomas
Gabriel (uncredited)
Mary Elliott
Joy
Elmer Jerome
Official Recorder (uncredited)
William Yetter Sr.
Composer (uncredited)