They Came by Night is a 1940 British crime film directed by Harry Lachman and starring Will Fyffe, Phyllis Calvert and Anthony Hulme.

[1] It was made at the Islington Studios by Gainsborough Pictures and released by 20th Century Fox.

It was based on the West End play of the same title by Barré Lyndon.

It was one of several starring vehicles for Will Fyffee and a key early role for Phyllis Calvert.

[2] The screenplay concerns a man who is blackmailed into taking his brother's place in a gang for a jewellery heist.