Laserblast

Laserblast is a 1978 American independent science fiction film directed by Michael Rae and produced by Charles Band, widely known for producing B movies. Starring Kim Milford, Cheryl Smith, Gianni Russo, Keenan Wynn, Roddy McDowall, and Eddie Deezen, the plot follows an unhappy teenage loner who discovers an alien laser cannon and goes on a murderous rampage, seeking revenge against those who he feels have wronged him.