The Third Visitor Cast & Crew
Sonia DresdelSteffy Millington Guy MiddletonInspector Mallory Colin GordonBill Millington Karl StepanekRichard Carling Eleanor SummerfieldVera Kurton John SlaterJames C. Oliver Michael Martin HarveyHewson (as Michael Martin-Harvey) Cyril SmithDetective Horton Gerald AnstrutherScreenplay George HaslamArt Direction Stephen DadeDirector Of Photography Betty SherriffHairstylist Aldo ManganaroMakeup Artist 
