A horrified teen mutates into a crazed cannibalistic swamp creature, and must uncover the terrifying secret identity of his father before his nasty natural tendencies force him to make jambalaya out of the locals.
The Beast Within is a 1982 American supernatural horror film directed by Philippe Mora from a screenplay by Tom Holland, and starring Ronny Cox, Bibi Besch, Paul Clemens, and Don Gordon. Set in a small town in rural Mississippi, the story centers on a couple Eli and Caroline MacCleary's son Michael, who begins exhibiting strange behavior after his 17th birthday.