The Secret Witness
- Bliadhna: 1931
- Dùthaich: United States of America
- Seòrsa: Drama, Comedy, Mystery
- Stiùidio: Famous Attractions
- Faclan-luirg: adultery, based on novel or book, murder
- Stiùiriche: Thornton Freeland
- Cast: Una Merkel, Purnell Pratt, Zasu Pitts, Clarence Muse, Paul Hurst, Ralf Harolde