Billy Chapman, who was traumatized by his parents' Christmas Eve murder, then brutalized by sadistic orphanage nuns, grows up to dress as jolly St. Nick for a yuletide rampage to punish the naughty.
Robert Brian Wilson
as Billy at 18
Lilyan Chauvin
as Mother Superior
Gilmer McCormick
as Sister Margaret
Charles Dierkop
as Killer Santa
Toni Nero
as Pamela
Randy Stumpf
as Andy
Linnea Quigley
as Denise
Britt Leach
as Mr. Sims
Leo Geter
as Tommy
Amy Styvesant
as Cindy
Jonathan Best
as Billy at 5
Danny Wagner
as Billy at 8
