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. The screenplay was by Lesley Storm and Val Valentine. It was Hamilton's directorial debut and the third English-language sound version of Edgar Wallace's 1929 play based on his 1925 novel The Gaunt Stranger. The previous adaptations were in 1928 (silent), 1931, 1932 (Germany-Austria), and 1938.