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