Of Unknown Origin
“Two forces have claimed the house. Only one will survive.”
George P. CosmatosCast
Peter Weller 
Jennifer Dale 
Lawrence Dane 
Kenneth Welsh Louis Del Grande Shannon Tweed
Credits
Written by: Brian Taggert
Plot
A man who recently completed rebuilding a townhouse becomes obsessed with a rat infestation until it becomes an interspecies duel.
Sinekatalog’s take
Of Unknown Origin (1983) is a Greek horror film directed by George P. Cosmatos. It stars Peter Weller, Jennifer Dale and Lawrence Dane. It runs 88 minutes. It is listed here for its festival and awards record.Sinekatalog’s own editorial review – not a user or critic quote.
Ratings
IMDb: 6.1 / 10 (4,431 votes)
IMDb rating and vote count from the IMDb ratings dataset (October 2026). Scores change over time.
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