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