Jacknife (1989) runs 1 h 42 min, is rated R in the US and averages 6.4 from 142 TMDB members. A conflict develops between a troubled Vietnam veteran and the sister he lives with when she becomes involved romantically with the army buddy who reminds him of the tragic battle they both survived.
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Streaming availability by JustWatch. In the US, as of 2026-11-05: MovieSphere+ Amazon Channel (subscription), Fandango at Home Free (free with ads), Plex (free with ads), Tubi TV (free with ads).
Jacknife on TMDB · This product uses the TMDB API but is not endorsed or certified by TMDB.

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