Antonia Brico
Frank Thomsen
Robin Jones
Mark Goldsmith
Mother Antonia
Father Antonia
Willem Mengelberg
Karl Muck
Mrs. Thomsen
Mr. Thomsen
Emma
Miss Denise
Director Barnes
Concertmaster
Usherette Marjorie
Mrs. Goldsmith
Children Goldsmith
Head Typist
Applicant
Doorman Variety
Revue Dancer
Variety Trumpet Player
Variety Clarinettist
Variety Bass Player
Variety Banjo Player
Variety Clarinettist #2 (as Christof Alexander May)
Variety Drummer
Butler
Opera Singer
Neighbourhood Boy
Police Man
Post Horn Player
Nun
Sister Louigiana
Albert Schweitzer
Young Antonia
Housekeeper Mr. Muck
Waiter
Boys Choir
Concierge
Landlady
Bank Employee
Frau Mayer
Tailor
Hairdresser
Priest
Reporter
1st Violinist
Friend of Mrs. Thomson
Secretary
Eleanor Roosevelt
Radio Host
Son Frank
Jonkheer
German student / American party guest
Opera Musician (uncredited)
Soup Kitchen Guest; Theater Visitor (uncredited)
Musician (uncredited)
Lady in night club (uncredited)
Servant (uncredited)