Trailer
Cast
Jack Warner
The Superintendent
Edie Martin
Lettice (uncredited)
Ewan Roberts
Constable (uncredited)
Herbert Lom
Louis, alias 'Mr. Harvey'
Danny Green
'One-Round', alias 'Mr. Lawson'
Fred Griffiths
Junk Man (uncredited)
Peter Williams
Detective at Parcels Office (uncredited)
Alec Guinness
Professor Marcus
Cecil Parker
Claude, alias 'Major Courtney'
Kenneth Connor
Cab Driver (uncredited)
Neil Wilson
Policeman (uncredited)
Frankie Howerd
The Barrow Boy
Stratford Johns
Security Guard (uncredited)
Jack Melford
Detective (uncredited)
Arthur Mullard
(uncredited)
Lucy Griffiths
Miss Pringle (uncredited)
Sam Kydd
Second Cab Driver (uncredited)
Harold Goodwin
Parcels Clerk (uncredited)
Peter Sellers
Harry, alias 'Mr. Robinson'
Katie Johnson
Mrs. Wilberforce