Of Unknown Origin
- ವರ್ಷ: 1983
- ದೇಶ: Canada, United States of America
- ಪ್ರಕಾರ: Horror
- ಸ್ಟುಡಿಯೋ: Canadian Film Development Corporation, Famous Players Limited, Warner Bros. Pictures, Les Productions Mutuelles Ltée
- ಕೀವರ್ಡ್: new york city, based on novel or book, poison, animal attack, house, rampage, rat, canuxploitation, animals gone wild, giant rat, mousetrap
- ನಿರ್ದೇಶಕ: George P. Cosmatos
- ಪಾತ್ರವರ್ಗ: Peter Weller, Jennifer Dale, Lawrence Dane, Kenneth Welsh, Louis Del Grande, Shannon Tweed