- HD 1080
- Runtime: 70m.
- Status: Released
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- Languages: en
- Country: United Kingdom
- Director: Guy Green
- Stars: John Bentley, Phyllis Kirk, Leonard White, Glyn Houston, Patrick Jordan
- keywords: london, england, smuggling (contraband), river thames, river, police officer
- Production_studio: Victor Hanbury Productions
- Slogan: Diamonds on her meant trouble!
- The River Beat is featured in the top rankings of 1954
- #78 in Top Drama Movies of 1954
- #27 in Top Crime Movies of 1954
British diamond smugglers use the radiowoman (Phyllis Kirk) from a freighter docked on the Thames to unwittingly "mule" their swag, hidden in cigarettes, past customs, not knowing that she has befriended an Inspector for the Thames River Patrol.