The Unknown Purple
- Bliadhna: 1923
- Dùthaich: United States of America
- Seòrsa: Mystery, Science Fiction
- Stiùidio: Carlos Productions
- Faclan-luirg:
- Stiùiriche: Roland West
- Cast: Henry B. Walthall, Alice Lake, Stuart Holmes, Helen Ferguson, Frankie Lee, Ethel Grey Terry
