The old dark house [DVD recording] / Columbia Pictures presents ; a William Castle-Hammer Production ; screenplay by Robert Dillon ; produced by William Castle and Anthony Hinds ; directed by William Castle.
Tom Poston, Robert Morley, Janette Scott, Joyce Grenfell.
Summary:
An eccentric and mysterious millionaire invites an American car salesman to stay with him and his twin brother. As the murders mount up among the residents of the mansion he begins a desperate fight to discover who the murderer is before it is too late.
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