Roy Walsh is a brash and enterprising thug who bullies his friends into subservience. He and his gang assault and rob people on the street, but things get increasingly dangerous when their behavior escalates to larger crimes.
Cosh Boy is a 1953 British film noir based on an original play by Bruce Walker. It was directed by Lewis Gilbert and featured James Kenney and Joan Collins. It was made at Riverside Studios in Hammersmith.