Cast
- Alice Joyce as Madelyn Mack - Girl Detective
- Henry Hallam as Thornton Andrews - a Millionaire
- George Hollister Jr. as Archie Andrews - the Son, Age 5
- Marguerite Courtot as Ethel Andrews - the Daughter
- Harry F. Millarde as A Gangster
- Mary Clowes
- Mary Clowes
Crew
- Kenean Buel · Director
- Hugh C. Weir · Writer