Missing

1982
Director: Costa-Gavras

An intense political thriller, and based on a true story, Jack plays Ed Horman, a father who’s come to Chile in the midst of the 1973 coup to try to find his missing son. Along with his son’s wife, played by Sissy Spacek, they to find out the truth of what has happened. The film won the Palme d’Or, and Jack won for best actor, at the Cannes Film Festival.