🐀On November 23, 1983 “Of Unknown Origin” was released in theaters! Directed by George P. Cosmatos, and starring Peter Weller, Jennifer Dale, Lawrence Dane, Maury Chaykin, and Shannon Tweed. Based on the 1979 novel The Visitor by Chauncey G. Parker III, it focuses on a mild-mannered Manhattan banker who becomes increasingly obsessive and destructive in his attempts to kill a rat loose in his renovated brownstone. The film's title refers to the misconception (repeated in the film) that rats have