The Ringer is a 1952 British mystery film directed by Guy Hamilton and starring Herbert Lom, Donald Wolfit, Mai Zetterling, Greta Gynt, William Hartnell, and Denholm Elliott. It was Hamilton's directorial debut and the third English-language sound version of Edgar Wallace's 1929 play, which in of itself was based on his 1925 novel The Gaunt Stranger. The previous adaptations had come in 1928 (silent), 1931, 1932 (Germany-Austria), and 1938. It was shot at Shepperton Studios near London. The film's sets were designed by the art director William Hutchinson.