The Black Room (released in Great Britain as The Black Room Mystery) is a 1935 American horror film directed by Roy William Neill (as R. William Neill) and starring Boris Karloff. Cinematography was done by Allen G. Siegler.
Le Baron Gregor (The Black Room) est un film américain réalisé par Roy William Neill, sorti en 1935. (fr)
The Black Room (released in Great Britain as The Black Room Mystery) is a 1935 American horror film directed by Roy William Neill (as R. William Neill) and starring Boris Karloff. Cinematography was done by Allen G. Siegler. (en)
Il mistero della camera nera (titolo originale The Black Room) è un film horror statunitense del 1935 diretto da Roy William Neill con protagonista l'attore Boris Karloff nel doppio ruolo di due gemelli. (it)