Silent Night, Deadly Night is a 1984 American slasher film directed by Charles E. Sellier Jr., and starring Robert Brian Wilson, Lilyan Chauvin, Gilmer McCormick, Toni Nero, and Linnea Quigley. The story concerns a young man named Billy Chapman, who suffers from post-traumatic stress over witnessing his parents' murder on Christmas Eve by a man disguised as Santa Claus and his subsequent upbringing in an abusive Catholic orphanage. In adulthood, the Christmas holiday leads him into a psychological breakdown, and he emerges as a spree killer donning a Santa suit.