Philo Vance investigates a series of murders among members of the wealthy Greene family.
| Actor | Role |
|---|---|
 Grant RichardsPhilo Vance | Philo Vance |
 Roscoe KarnsSergeant Heath | Sergeant Heath |
 Helen BurgessAda Greene | Ada Greene |
 Ruth ColemanSibella Greene | Sibella Greene |
 Elizabeth PattersonMrs. Tobias Greene | Mrs. Tobias Greene |
 June MartelBarton | Barton |
 Ellen DrewSecretary | Secretary |
 Purnell PrattJohn F. X. Markham | John F. X. Markham |
 Colin TapleyChester Greene | Chester Greene |
 James BushRex Greene | Rex Greene |
 Leonard CareyLister | Lister |
 Nora CecilNot listed | Not listed |
 Harvey StephensNot listed | Not listed |
 Ivan F. SimpsonNot listed | Not listed |
 Greta MeyerNot listed | Not listed |
| MMyra MarshNot listed | Not listed |
 Barlowe BorlandNot listed | Not listed |