The Secret Witness

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.

• Director: Thornton Freeland
• Cast: Una Merkel, Purnell Pratt, Zasu Pitts, Clarence Muse, Paul Hurst, Ralf Harolde, William Collier Jr., Nat Pendleton