John Harlow (19 August 1896 – 1977) was an English film director, active from the 1930s to the 1950s. Harlow worked for smaller studios, mainly in crime/thriller genre potboilers, with his better known films including Candles at Nine (1944), the Sexton Blake thrillers Meet Sexton Blake and The Echo Murders (both 1945), Appointment with Crime (1946) and the 1947 reincarnation drama While I Live. He also directed two late entries in the popular, if critically unappreciated, Old Mother Riley series.

Filmography (director) 1933: My Lucky Star 1934: Master and Man 1941: Spellbound (AKA ' Passing Clouds ') 1942: This Was Paris 1943: The Dark Tower 1944: Candles at Nine 1944: Headline 1945: The Agitator 1945: Meet Sexton Blake! 1945: The Echo Murders 1946: Appointment with Crime 1947: Green Fingers 1947: While I Live 1949: Old Mother Riley's New Venture 1950: Old Mother Riley Headmistress 1953: Those People Next Door 1953: The Blue Parrot 1954: Dangerous Cargo 1954: Delayed Action

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