In a Vienna apartment building, a handsome but conceited actor terrorizes a neighboring family into moving out. However, when he's found murdered, the detectives discover that there is far more to the case than meets the eye.
| Actor | Role |
|---|---|
 Verree TeasdaleCarola Pointer | Carola Pointer |
 Ricardo CortezHerman Brandt | Herman Brandt |
 Lionel AtwillJohn Pointer | John Pointer |
 Anita LouiseMariette Pointer | Mariette Pointer |
 C. Aubrey SmithPolice Inspector Miller | Police Inspector Miller |
 Dorothy TreeMrs. Jolan Brandt | Mrs. Jolan Brandt |
| HHelen TrenholmeMlle. Josephine Mousquet, the Governess | Mlle. Josephine Mousquet, the Governess |
 Hobart CavanaughEmile, Brandt's Valet | Emile, Brandt's Valet |
 Robert BarratHalasz, the Apartment House Manager | Halasz, the Apartment House Manager |
 Hal K. DawsonAssistant Stage Manager | Assistant Stage Manager |
 Russell HicksMr. Beyer, the Stage Manager | Mr. Beyer, the Stage Manager |
 Spencer ChartersMax Bauer, the Porter | Max Bauer, the Porter |
 Etienne GirardotProfessor Peterson | Professor Peterson |
 Florence FairThelma, the Pointer's Maid | Thelma, the Pointer's Maid |
 Nan GreyAlice von Attem | Alice von Attem |
| SSkippyRex | Rex |
| OOtto LangSecond Policeman (uncredited) | Second Policeman (uncredited) |