The Man They Could Not Hang 1939

Synopsis:

Dr. Henryk Savaard is a scientist working on experiments to restore life to the dead. When he is unjustly hanged for murder, he is brought back to life by his trusted assistant. Re-animated he turns decidedly nasty and sets about murdering the jury that convicted him.

Directed by: Nick Grindé
Written by: Nick Grindé & Karl Brown
Runtime: 64 minutes
Tagline: TRANSFORMED BY THE HANGMAN'S NOOSE... from a doctor serving humanity, into a demon filled with hate and terrorizing blood-lust!
Cast:
Boris Karloff
Boris Karloff
Dr. Henryk Savaard 
Lorna Gray
Lorna Gray
Janet Savaard 
Robert Wilcox
Robert Wilcox
'Scoop' Foley 
Roger Pryor
Roger Pryor
District Attorney Drake 
Don Beddoe
Don Beddoe
Lieutenant Shane 
Ann Doran
Ann Doran
Betty Crawford