On September 20, 2026
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Cast of The Black Room
14 credited roles
Boris Karloff
Baron Gregor de Berghman / Anton de Berghman
Marian Marsh
Thea Hassel
Robert Allen
Lt. Albert Lussan
Thurston Hall
Col. Paul Hassel
Katherine DeMille
Mashka
John Buckler
Beran - the gypsy
Henry Kolker
Baron de Berghman
Colin Tapley
Paul Hassel as a young lieutenant
John George
Inn Waiter (uncredited)
John Bleifer
Franz - Captured Assassin-Villager (uncredited)
Marion Lessing
Maria the Chambermaid
George MacQuarrie
The Judge
Robert Middlemass
The Prosecutor
Edward Van Sloan
Doctor
