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Alec Guinness - Professor MarcusCecil Parker - Claude, alias 'Major Courtney'Herbert Lom - Louis, alias 'Mr. Harvey'Peter Sellers - Harry, alias 'Mr. Robinson'Danny Green - 'One-Round', alias 'Mr. Lawson'Katie Johnson - Mrs. WilberforceJack Warner - The SuperintendentPhilip Stainton - The SergeantFrankie Howerd - The Barrow BoyMadge Brindley - Large Lady (uncredited)Hélène Burls - Hypatia (uncredited)Kenneth Connor - Cab Driver (uncredited)Michael Corcoran - Burglar (uncredited)Harold Goodwin - Parcels Clerk (uncredited)Fred Griffiths - Junk Man (uncredited)Lucy Griffiths - Miss Pringle (uncredited)George Hilsdon - Security Van Driver (uncredited)Vincent Holman - Station Master (uncredited)Stratford Johns - Security Guard (uncredited)Sam Kydd - Second Cab Driver (uncredited)Edie Martin - Lettice (uncredited)Jack Melford - Detective (uncredited)Arthur Mullard - (uncredited)Ewan Roberts - Constable (uncredited)George Roderick - Radio Car Policeman (uncredited)John Rudling - Nervous Man (uncredited)Leonard Sharp - Pavement Artist (uncredited)Peter Williams - Detective at Parcels Office (uncredited)Neil Wilson - Policeman (uncredited)Phoebe Hodgson - Constance (uncredited)
Ratings
from TMDB7.3/ 10584 votes