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.
Cast: Una Merkel, Purnell Pratt, Zasu Pitts, Clarence Muse, Paul Hurst, Ralf Harolde, William Collier Jr., Nat Pendleton, Rita La Roy, Hooper Atchley, James Durkin, Mike Donlin, June Clyde
Crew: Sam Spewack (Novel), Sam Spewack (Screenplay), Thornton Freeland (Director), Louis Sackin (Editor), Robert H. Planck (Director of Photography)