
The Secret Witness
- annos singulos: 1931
- Patriam: United States of America
- genus: Drama, Comedy, Mystery
- Studio: Famous Attractions
- keyword: adultery, based on novel or book, murder
- Director: Thornton Freeland
- cast: Una Merkel, Purnell Pratt, Zasu Pitts, Clarence Muse, Paul Hurst, Ralf Harolde