The Mafia tries to take revenge against a man who testified against them in court.
Acting
Bo Svenson's quiet-to-volcanic transformation.
Direction
Bob Clark's pre-Porky's grit—tight, mean, efficient.
Practical Effects
Brutal, unchoreographed violence that actually hurts.

Director
Bob Clark
Trivia, insights & behind the scenes
Bob Clark made this between Black Christmas and Porky's—yes, THAT Bob Clark. Dude had RANGE.
This dropped during the golden age of vigilante cinema—Death Wish, Walking Tall, Taxi Driver—when white male rage was box office gold.