Not on your listThe Secret Kingdom1925 · 7.0 on TMDBDramaFantasyAdd to watchlistShareA wealthy man who acquires a mind-reading machine is soon horrified to discover what people are really thinking.CastMatheson LangJohn QuarrainStella ArbeninaMary QuarrainEric Bransby WilliamsPhilip DarentGenevieve TownsendThe SecretaryRudolph De CordovaThe Protege