John C. Thomas is an American screenwriter based in California. With his brother Jim Thomas, he wrote and/or was substantially involved with the screenplays of numerous films - including Predator (1987), The Rescue (1988), Predator 2 (1990), Executive Decision (1996), Wild Wild West (1999), Mission to Mars (2000) and Behind Enemy Lines (2001) - and the short-lived TV series Hard Time on Planet Earth.

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