Clifford EvansMichael Grand Reginald TateColonel Wilkes Patricia LaffanIrma Brookes Frederick PiperInspector Reid June AshleyBlonde Contact in Flat Grace ArnoldNeighbour (uncredited) Ernest BlythMorgue Attendant (uncredited) Cyril ChamberlainBailey (uncredited) Arnold DiamondMax (uncredited) Howard DouglasTaxi Driver (uncredited) Arthur LovegrovePhillips (uncredited) Anthony PendrellRees (uncredited) Norman PierceInspector Hobbs (uncredited) Harry TowbImmigration Officer (uncredited) John WarwickSecurity Chief Brice (uncredited) Seymour FriedmanRegisseur Peter Graham ScottRegisseur Ronald KinnochAssociate Producer George PatersonArt Direction Jill CarpenterMakeup Artist Pat KellyAssistant Director Billy RussellAssistant Director Phyllis CrockerContinuity Eric PavittAssistant Director Hans MayOriginal Music Composer Leslie HodgsonSound Editor Edward JosephProduction Manager John 'Pinky' GreenProduction Manager 
