
Scotland Yard detectives attempt to solve a spate of safe robberies across England beginning with clues found at the latest burglary in London. The film is notable for using a police procedural style made popular by Ealing in their 1950 film The Blue Lamp. It is known in the US as The Third Key.
Streaming, rental, and purchase availability is not available right now for The Long Arm in United States. Availability may change over time.
Availability and provider information are provided by JustWatch (on behalf of TMDB). Availability may change.
Explore curated lists and discover more movies you’ll love.

Glyn Houston
Detective Sergeant in 'Q' car