Dixon of Dock Green Blue Lamp" Dixon has a wife named Em (Gladys Henson). It is mentioned that their only son, Bert, was killed in the Second World War—hence Dixon adopts a paternal aspect towards PC Andy Mitchell (Jimmy Hanley), a young policeman on his first day. Dixon comes across a raid and is shot. The rest of the film focuses on catching the perpetrator, a thug named Tom Riley (played by Dirk Bogarde). This gears up hugely once Dixon, who was said to be rallying in hospital, unexpectedly and suddenly dies, and Mitchell embarks on a perilous quest to find and bring Tom
The Blue Lamp Riley, a desperate youth armed with a revolver. Dixon initially tries to talk Riley into surrendering the weapon, but Riley panics and fires. Dixon is taken to hospital, but dies some hours later. The ending is another Ealing quirk, with ordinary, decent society banding together with professional criminals and dog-track identities to track down and catch the murderer, who tries to hide in the crowd at White City greyhound track in West London. To Andy Mitchell falls the honour of arresting Riley. The production had the full co-operation of the Metropolitan Police, and the crew were thus able to use