Gumshoe is a 1971 British black comedy film directed (in his debut) by Stephen Frears and starring Albert Finney, Billie Whitelaw and Frank Finlay. It was written by Neville Smith. The film follows a bingo-caller who dreams of being a private eye.

A bored Liverpool bingo caller, obsessed with hard-boiled detective novels, decides to reinvent himself as a private investigator—only to stumble into a real criminal case that blurs the line between fantasy and danger. A witty, offbeat neo-noir with British humor.