A Thief in the Dark is a 1928 American silent mystery film directed by Albert Ray, written by C. Graham Baker and William Kernell (based on a plot idea from director Ray), and starring George Meeker, Doris Hill, Gwen Lee, Marjorie Beebe, Michael Vavitch and Noah Young.

[1][2][3] A young drifter named Ernest joins a troupe of phony mystics working in a carnival, led by a Professor Xeno.

Ernest learns that his colleagues are systematically burglarizing some of the wealthy homes in the towns through which they travel.

Ernest finds out that Xeno has stooped to murdering an old lady for her jewelry, and sets about trying to expose Xeno to the authorities.

Cameraman Edeson later became one of James Whale's favorite associates, photographing Frankenstein (1931), The Old Dark House (1932) and The Invisible Man (1933) for the director.