The Unholy Night When a rash of murders depletes their number, a billionaire's employees are brought together at an Englishman's estate. Details Casts Videos Posters Title The Unholy Night Release Date 1929-09-13 Runtime 01 Hours 33 Minutes Genres Mystery Thriller Horror Production Companies Metro-Goldwyn-Mayer Production Countries United States of America Ernest Torrence... Dr. Ballou... Roland Young... Lord Montague... Dorothy Sebastian... Lady Efra... Natalie Moorhead... Lady Vi... Sydney Jarvis... The Butler... Polly Moran... Polly, Maid... George Cooper... Frey, Lord Montague's Ord... Sôjin Kamiyama... The Mystic... Claude Fleming... Sir James Rumsey... Clarence Geldart... Inspector Lewis... John Miljan... Major Mallory... Richard Tucker... Colonel Davidson... John Loder... Captain Dorchester... Philip Strange... Lieutenant Williams... John Roche... Lieutenant Savor... Lionel Belmore... Major Endicott... Gerald Barry... Captain Bradley... Richard Travers... Major McDougal... Ellinor Vanderveer... Guest at First Seance... Boris Karloff... Abdul Mohammed Bey - the ... Dorothy Sebastian & Boris Karloff in The Unholy Night (Clip) Original Size (500x750) Original Size (500x750)