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Everybody seems to have had a good time making the overripe melodrama The Hidden Hand, especially cadaverous Milton Parsons as insane-asylum escapee John Channing. In her efforts to protect her brother from the authorities, John's sister Lorinda (Cecil Cunningham) opens the door for a series of grisly murders. Hero Peter Thorne (Craig Stevens) and heroine Mary Winfield (Elizabeth Fraser) try to stop John before he overracts-er, kills-again. Absolutely impossible to take seriously, The Hidden Hand is nonetheless worth a glance, if for no other reason than to see perennial bit player Parsons in a juicy leading role. The film was based on Invitation to a Murder, a play by Rufus King.