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