- HD 1080
- Runtime: 100m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Jeff Kanew
- Stars: Hal Holbrook, Louise Fletcher, Peter Armstrong, Elizabeth Berridge, José Ferrer
- keywords: suicide, prostitute, magazine editor, bipolar disorder
- Production_studio: Utopia
- The Natural Enemies is featured in the top rankings of 1979
- #29 in Top Thriller Movies of 1979
Paul Steward, editor of a scientific journal, is a failed husband, a failed father, he considers his entire life a failure. His decision is made, there's only one escape: to kill his family and himself.