The Unknown Purple
- Xyoo: 1923
- Ncig Teb Chaws: United States of America
- Genre: Mystery, Science Fiction
- Studio: Carlos Productions
- Cov ntsiab lus:
- Tus Thawj Coj: Roland West
- Pov Pob Tseg: Henry B. Walthall, Alice Lake, Stuart Holmes, Helen Ferguson, Frankie Lee, Ethel Grey Terry
