Scott Wilson is an American actor with a Hollywood career spanning around five decades. He debuted in the 1967 film In the Heat of the Night. He next portrayed Richard Hickock in the film In Cold Blood. In the ’70s, he played George Wilson in the movie The Great Gatsby. For his role in the 1980 film The Ninth Configuration, he was nominated for a Golden Globe for Best Supporting Actor. During the ’90s, he had notable roles in the films The Exorcist III, Young Guns II, Femme Fatale, and Dead Man Walking, among others. In the 2000s, he became known on television, playing Sam Braun on CSI: Crime Scene Investigation. From 2011 to 2014, he played Hershel Greene on The Walking Dead. He now plays Abel Johnson on The OA.