The Mystery of Willoughby Castle
- વર્ષ: 1979
- દેશ: United States of America
- શૈલી: Family, Mystery
- સ્ટુડિયો: Quadrus Production, Quadrus Communications
- કીવર્ડ:
- ડાયરેક્ટર: Luisa Morell
- કાસ્ટ: Kevin Rodell, Luisa Morell, William Lowry, Ned York, Martha Webster
