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.
Felix H. Wilkinson
Alastair Sim
Nightingale
Jack Warner
Rhona
Valerie White
Ford
Jack Lambert
Joe Kirby
Harry Fowler
Alec
Douglas Barr
Roy
Stanley Escane
Norman
Ian Dawson
Dicky
Gerald Fox
Arthur
David Simpson
Wally
Albert Hughes
Stan
John Hudson
Dusty
David Knox
Bill
Jeffrey Sirett
Terry
James Crabbe
Clarry
Joan Dowling
Mr. Kirby
Frederick Piper
Mrs. Kirby
Vida Hope
Dorrie Kirby
Heather Delaine
Jago
Paul Demel
Det.-Sgt. Fothergill
Alec Finter
B.B.C. Announcer
Bruce Belfrage
Dicky’s Mother
Grace Arnold
Vicar
Arthur Denton
Selwyn Pike
Robin Hughes
Watchman
Howard Douglas
Larry the Bull
Harry Purvis
Shorty
Joey Carr
Boy (uncredited)
Peter Mullins
Schoolboy (uncredited)
Andrew Sachs
Congregation Member (uncredited)
Fred Wood