The Crimson Key 1947

Synopsis:

Larry Morgan, a private detective, is hired by a woman who wants Larry to trail her husband. The husband is murdered and, shortly afterwards, the wife is also killed. Larry shuffles through a long list of suspects before revealing the killer...

Directed by: Eugene Forde
Written by: Irving Elman
Runtime: 76 minutes
Tagline: A BLOOD STAINED CURSE!
Cast:
Kent Taylor
Kent Taylor
Lawrence 'Larry' Morgan 
Doris Dowling
Doris Dowling
Margaret Loring 
Dennis Hoey
Dennis Hoey
Steven Loring 
Louise Currie
Louise Currie
Heidi 
Ivan Triesault
Ivan Triesault
Peter Vandaman 
Arthur Space
Arthur Space
Det. Capt. Fitzroy