- HD 1080
- Runtime: 67m.
- Status: Released
0
- Languages: en
- Country: United States of America
- Director: D. Ross Lederman
- Stars: John Beal, Trudy Marshall, Jimmy Lloyd, Helen Mowery, Wilton Graff
- keywords: inventor, film noir, murder, corpse
- Production_studio: Columbia Pictures
- The Key Witness is featured in the top rankings of 1947
- #58 in Top Crime Movies of 1947
- #47 in Top Thriller Movies of 1947
A man takes over the identity of a dead man while on the lam from a crime he didn't commit.
