A gang of street boys foil a master crook who sends commands for robberies by cunningly altering a comic strip's wording each week, unknown to writer and printer. The first of the Ealing comedies.
Alastair Sim
Felix H. Wilkinson
Jack Warner
Nightingale
Valerie White
Rhona
Jack Lambert
Ford
Harry Fowler
Joe Kirby
Douglas Barr
Alec
Stanley Escane
Roy
Ian Dawson
Norman
