Edward JuddDr. Mike Vernon Yoko TaniLeader of the Lystrians Valerie GearonDr. Claire Harland Barrie InghamMajor Muncaster Anthony SharpLawrence Blackburn Glyn HoustonPolice Sergeant Draycott Emrys LeyshonSergeant Williams Norman MitchellLorry Driver Diane AubreyTelephone Operator Scott MacGregorArt Direction James WilsonDirector Of Photography Eileen WelchCostume Design Benny RoystonMakeup Artist Bernard EbbinghouseOriginal Music Composer 
