The Secret Witness
- Cast: Una Merkel, Purnell Pratt, Zasu Pitts, Clarence Muse, Paul Hurst
- Duration: 66 minutes
- Genre: Drama, Comedy, Mystery
- Rating: 3/10
- Release Date: 1931-12-12
A wealthy, cheating husband is found murdered in his penthouse apartment. The police soon arrest a suspect, but the victim's downstairs neighbor believes the man is innocent and sets out to prove who really committed the murder.
