- Although the movie is supposed to be based on and has been credited as a "true story", it has been clearly indicated by Billy Hayes himself 20 years after it's release, that what is presented in the movie is a very exaggerated and fictional version of what's happened to him in the prison in Istanbul, Turkey.
- Both Richard Gere and John Travolta were considered for the part of William Hayes.
- According to his book, 'Brad Davis' had a drug problem of his own while promoting this film.
- Although set in Turkey the movie was actually filmed at Fort St Elmo in Valetta in Malta.
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