Silent Night, Bloody Night

Silent Night, Bloody Night is a 1972 American slasher film directed by Theodore Gershuny. Stars Patrick O'Neal and cult actress Mary Woronov, with John Carradine. A series of murders that occur in a small New England town on Christmas Eve after a man inherits a family estate which was once an insane asylum.

An ax killer stalks a lawyer and his girlfriend in a house that used to be an asylum.