The Man They Could Not Hang (1939)

Director: Nick Grinde
Cast: Ann Doran, Boris Karloff, Charles Trowbridge, Don Beddoe, Joe De Stefani, Lorna Gray, Robert Wilcox, Roger Pryor

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.