Edgar Wallace's Greatest Thriller

A lawyer receives a note telling him that he'll be dead in 48 hours - and Scotland Yard must work fast to uncover the serial killer known as 'The Ringer'.

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Main Cast: Patrick Barr, Alexander Knox, Wilfrid Lawson, Sonnie Hale, Louise Henry, John Longden, Patricia Roc, Peter Croft, Arthur Hambling, George Merritt

Director: Walter Forde

Writer: Sidney Gilliat

Editor: Charles Saunders

Cinematographer: Ronald Neame

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