Of Unknown Origin
1983, English. Directed by George P. Cosmatos.
Two forces have claimed the house. Only one will survive.
A man who recently completed rebuilding a townhouse becomes obsessed with a rat infestation until it becomes an interspecies duel.
- Runtime
- 1h 28m
- Post-credits
- None listed
- Language
- English
- Rated
- R
Start now and it ends at ….
Snoozefest
Your time is worth more.
5.8/10 from 119 TMDB viewer ratings.
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Where to watch Of Unknown Origin
Of Unknown Origin isn’t on a subscription OTT platform in India, but you can rent it or buy it online.
Amazon Video
Apple TV Store
Google Play Movies
YouTube
Fandango At HomeAvailability in India as of 11 November 2026. Streaming data by JustWatch.
Cast & crew
- George P. CosmatosDirector
- Peter WellerBart Hughes
- Jennifer DaleLorrie Wells
- Lawrence DaneEliot Riverton
- Kenneth WelshJames Hall
- Louis Del GrandeClete
- Shannon TweedMeg Hughes
- Keith KnightHardware Salesman
- Maury ChaykinDan Errol
- Leif AndersonPeter Hughes
- Jimmy TappMeg's Father
- Gayle GarfinkleJanis Wycoff
- Earl PenningtonMr. Thompson
Details
- Released
- 23 November 1983
- Country
- Canada, United States of America
- Written by
- Brian Taggert
- Budget
- $4M
Check ratings elsewhere
News & fan talk
What Of Unknown Origin is based on
Of Unknown Origin is adapted from a novel.
Source details from Wikidata and TMDB.
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Of Unknown Origin: quick answers
Is Of Unknown Origin worth watching?
Our verdict is Snoozefest: Your time is worth more. It scores 5.8/10 from 119 TMDB viewer ratings.
How long is Of Unknown Origin?
Of Unknown Origin runs 88 minutes (1h 28m).
Does Of Unknown Origin have a post-credits scene?
None is listed for Of Unknown Origin. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Of Unknown Origin parents guide: is it suitable for kids?
Of Unknown Origin is rated R in India. Check the rating guidance before watching with young children.
Which OTT platform is Of Unknown Origin on?
Of Unknown Origin isn’t on a subscription OTT platform in India, but you can rent it or buy it online. (Checked 11 November 2026.)
What movies are like Of Unknown Origin?
If you liked Of Unknown Origin, try The Mist, Mimic, Nightmares.
Who directed Of Unknown Origin?
Of Unknown Origin (1983) was directed by George P. Cosmatos and stars Peter Weller, Jennifer Dale, Lawrence Dane.
What is Of Unknown Origin based on?
Of Unknown Origin is adapted from a novel.