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.

James Kenney
as Roy Walsh

Joan Collins
as Rene Collins

Betty Ann Davies
as Elsie Walsh

Robert Ayres
as Bob Stevens

Hermione Baddeley
as Mrs. Collins

Hermione Gingold
as Queenie

Nancy Roberts
as Gran Walsh

Laurence Naismith
as Inspector Donaldson

Ian Whittaker
as Alfie Collins

Sidney James
as Desk Sergeant