Sidewalks of London

St Martin's Lane, also known as Sidewalks of London, London After Dark, and Partners of the Night, is a 1938 British black-and-white comedy drama starring Charles Laughton as a busker who teams up with a talented pickpocket, played by Vivien Leigh. The film co-stars Rex Harrison and Tyrone Guthrie in a rare acting appearance. It also features Ronald Shiner as the barman (uncredited). It was produced by Laughton's Mayflower Pictures Corporation.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.