Donald PleasenceInspector Calhoun Norman RossingtonDet.Sgt. Rogers Sharon GurneyPatricia Wilson Clive SwiftInspector Richardson James CossinsJames Manfred O.BE. Heather StoneyP.C.W. Alice Marshall Christopher LeeStratton-Villiers, MI5 Jack WoolgarPlatform Inspector Colin McCormackPolice Constable 1 Gary WinklerPolice Constable 2 Suzanne WinklerProstitute Gerry CramptonTunnel Worker Terry PlummerTunnel Worker Gordon PetrieTunnel Worker Gary ShermanDirector / Original Story Dennis Gordon-OrrArt Direction Alex ThomsonDirector Of Photography Harry FramptonMakeup Artist Peter FramptonMakeup Artist Lewis More O'FerrallAsistente de dirección Wil MaloneCompositor de música original Jeremy RoseCompositor de música original Joyce HerlihyGerente de producción 
