Hemmelige agenter Skuespillere og folkene bag
Joel McCreaLt. Col. Robert Taine Jack McNaughtonInspector Matthews Clement McCallinInspector Sullivan Joan HicksonStation Announcer Powys ThomasAmbulance Driver Charles HammondRailway Ticket Clerk (uncredited) George HilsdonPolice Constable (uncredited) Ian SelbyLex's Contact (uncredited) Stanley PaveyDirector Of Photography Neville SmallwoodMakeup Artist Max VarnelAssisterende instruktør Tom SimpsonAssociate Editor Hans MayKomponist af original musik Leonard BulkleySound Mixer Basil RootesSound Recordist Ernest HoldingProduktionsleder Ted CottonLocation Manager 
