Who was the Ringer? A Master of Disguise, Now here, now there, then vanished in a flash!

Scotland Yard detectives hunt for a dangerous criminal who has recently returned to England.

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Main Cast: Patric Curwen, Esmond Knight, John Longden, Carol Goodner, Gordon Harker, Franklin Dyall, Dorothy Bartlam, Henry Hallatt, Arthur Stratton, Kathleen Joyce

Director: Walter Forde

Writers: Robert Stevenson, Angus MacPhail

Editor: Ian Dalrymple

Cinematographers: Alex Bryce, Leslie Rowson

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