Mystery at Castle House A trio of kids have many exciting adventures while exploring a spooky mansion in the hope of finding their missing friends. Details Casts Posters Title Mystery at Castle House Release Date 1982-01-01 Runtime 01 Hours 20 Minutes Genres Crime Mystery Production Companies Unknown Production Countries Australia Ray Meagher... Stakovich... Simone Buchanan... Kate... Jeremy Shadlow... Spider... Aileen Britton... Miss Markham... Henri Szeps... Mr. Wilberforce... Carole Skinner... Aunt Josephine... Scott Nicholas... Ben... Original Size (720x1080)