Silent Night, Bloody Night (1972)

The mansion... the madness... the maniac... no escape.
Horror / Thriller • 81 minutes  5.3/10
Starring: James Patterson Mary Woronov Patrick O'Neal John Carradine Astrid Heeren Walter Abel Fran Stevens Walter Klavun and others.
Released • November 1, 1972

A man inherits a mansion, which once was a mental home. He visits the place and begins to investigate some crimes that happened in old times, scaring the people living in the region.

A.K.A. DE: Blutnacht - Das Haus des Todes  ES: Noche silenciosa, noche sangrienta  US: Death House