Of Unknown Origin Movie (1983) Trailer - Plot synopsis: A man becomes destructively obsessed with killing a dangerous rat, which has taken residence in his recently renovated house.

Movie title: Of Unknown Origin
Directed by: George P. Cosmatos
Written by: Brian Taggert, Chauncey G. Parker III
Genre : horror thriller
Cast: Peter Weller, Jennifer Dale, Lawrence Dane, Kenneth Welsh, Louis Del Grande, Shannon Tweed, Keith Knight, Maury Chaykin, Leif Anderson, Jimmy Tapp
Release date: November 23, 1983