The Secret Witness is a 1931 American pre-Code drama film, directed by Thornton Freeland and starring Una Merkel, William Collier Jr. and Zasu Pitts.

[1] It is an adaptation of the novel Murder in the Gilded Cage by Sam Spewack.

A man is found murdered in his luxury apartment.

His neighbors believe that the wrong man has been arrested and set out to solve the crime.

This 1930s drama film-related article is a stub.