Carola Pointer
Herman Brandt
John Pointer
Mariette Pointer
Police Inspector Miller
Mrs. Jolan Brandt
Mlle. Josephine Mousquet, the Governess
Emile, Brandt's Valet
Halasz, the Apartment House Manager
Assistant Stage Manager
Mr. Beyer, the Stage Manager
Max Bauer, the Porter
Professor Peterson
Thelma, the Pointer's Maid
Alice von Attem
Rex
Second Policeman (uncredited)