Cast
Alec GuinnessProfessor Marcus 
Cecil ParkerClaude, alias 'Major Courtney' 
Herbert LomLouis, alias 'Mr. Harvey' 
Peter SellersHarry, alias 'Mr. Robinson' 
Danny Green'One-Round', alias 'Mr. Lawson' 
Katie JohnsonMrs. Wilberforce 
Jack WarnerThe Superintendent - P
Philip StaintonThe Sergeant 
Frankie HowerdThe Barrow Boy - M
Madge BrindleyLarge Lady (uncredited) - H
Hélène BurlsHypatia (uncredited) 
Kenneth ConnorCab Driver (uncredited) - M
Michael CorcoranBurglar (uncredited) 
Harold GoodwinParcels Clerk (uncredited) 
Fred GriffithsJunk Man (uncredited) 
Lucy GriffithsMiss Pringle (uncredited)
If you liked this
