The Unknown Purple
- Bliain: 1923
- Tír: United States of America
- Seánra: Mystery, Science Fiction
- Stiúideo: Carlos Productions
- Eochairfhocal:
- Stiúrthóir: Roland West
- Caitheadh: Henry B. Walthall, Alice Lake, Stuart Holmes, Helen Ferguson, Frankie Lee, Ethel Grey Terry
