Elenco & Equipe de Sob o Signo da Suspeita
Stewart GrangerSuperintendent Cooper Smith Susan HampshireTrudy Emberday Cathleen NesbittLivia Emberday James CullifordLuke Emberday Robert MorleyHubert Hamlyn Allan CuthbertsonDet. Thompson James Robertson JusticeSir John (voice) Monika DietrichPhotographic Model Siegfried SchürenbergSir John Ian WarrenProdutor Executivo Roy StannardArt Direction Hazel PeiserSet Decoration Harry WaxmanDirector Of Photography Barbara BarnardHairstylist Aldo ManganaroMakeup Artist Oswald HafenrichterEditor Peter ThomasCompositor de Banda Sonora Original 
