Mystery film in the detective Stuart Webbs series.
| Actor | Role |
|---|---|
 Mary NolanNot listed | Not listed |
 Maria MinzentiMabel Christians | Mabel Christians |
 Otto WernickePhilipp Worrington | Philipp Worrington |
 John MylongDr. Harry Edwards | Dr. Harry Edwards |
| KKarl FalkenbergCharles Taylor | Charles Taylor |