La chiave misteriosa (1937)
Rilasciato: Apr 18, 1937
Durata: 68 minuti
Genere: Fantascienza, Crime
Stelle: Boris Karloff, Warren Hull, Jean Rogers, Alan Baxter, Hobart Cavanaugh, Samuel S. Hinds
Crew: John P. Fulton (Special Effects), Jack Moffitt (Screenplay), Tristram Tupper (Screenplay), Jack Pierce (Makeup Artist), William A. Pierce (Story), Robert Presnell Sr. (Producer)
