Dirk BogardeMelville Farr / Escritor Anthony NichollsLord Charles Fullbrook Peter CopleyPaul Mandrake Peter McEneryJack Barrett Donald ChurchillEddy Stone John BarrieInspector Harris Alan MacNaughtanScott Hankin Frank PettittBarman (as Frank Pettit) Margaret DiamondMiss Benham Frank ThorntonGeorge - Henry's Assistant (uncredited) John BennettUndercover Detective (uncredited) Basil DignamBarrister (uncredited) Jim BradyTransport Cafe Patron (uncredited) Jack TaylorBuilding Site Foreman (uncredited) Nora GordonFarr's Housekeeper (uncredited) Dirk BogardeMelville Farr / Escritor Alex VetchinskyArt Direction Otto HellerDirector Of Photography Harry FramptonMakeup Artist Barbara RitchieHairdresser Bert BattAsistente de dirección Philip GreenCompositor de música original Gordon K. McCallumSound Recordist C. C. StevensSound Recordist Denis HoltGerente de producción 
