---
title: 'Of Unknown Origin (1983)'
type: 'film'
director: 'George P. Cosmatos'
released: '1983-01-01'
runtime_minutes: 88
genres:
  - 'Horror'
countries:
  - 'Canada'
  - 'United States'
canonical: 'https://cinepixo.com/movies/of-unknown-origin-1983'
review_count: 0
imdb: 'https://www.imdb.com/title/tt0086036/'
publisher: 'CinePixo'
---

# Of Unknown Origin (1983)

1983 · 88 min · Horror · Canada, United States


## Synopsis

Of Unknown Origin is a 1983 psychological horror film directed by George P. Cosmatos in his North American film debut, and starring Peter Weller, Jennifer Dale, Lawrence Dane, Kenneth Welsh, Louis Del Grande and Shannon Tweed in her film debut. Based on the 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 that rats have no known origin.

## Credits

- **Director:** [George P. Cosmatos](https://cinepixo.com/people/george-p-cosmatos)
- **Original Music Composer:** [Kenneth Wannberg](https://cinepixo.com/people/kenneth-wannberg)
- **Producer:** [Pierre David](https://cinepixo.com/people/pierre-david)
- **Director of Photography:** [René Verzier](https://cinepixo.com/people/rene-verzier)

## Cast

- [Jennifer Dale](https://cinepixo.com/people/jennifer-dale)
- [Peter Weller](https://cinepixo.com/people/peter-weller)
- [Lawrence Dane](https://cinepixo.com/people/lawrence-dane)
- [Shannon Tweed](https://cinepixo.com/people/shannon-tweed)
- [Maury Chaykin](https://cinepixo.com/people/maury-chaykin)
- [Kenneth Welsh](https://cinepixo.com/people/kenneth-welsh)

## Criticism on CinePixo

No reviews published yet.

Source: https://cinepixo.com/movies/of-unknown-origin-1983
Film facts: Wikidata (Q3010981); synopsis from Wikipedia, CC BY-SA 4.0. Reviews, themes and notes are the work of this site's members.