 In 1980, Wilson received a Golden Globe nomination for Best Supporting Actor – Motion Picture for his role in William Peter Blatty's "The Ninth Configuration".He played veterinarian Hershel Greene on the AMC television series "The Walking Dead" (2011–2014; 2018).He also had a recurring role on "" as casino mogul Sam Braun, as well as a lead role on the Netflix series "The OA" as Abel Johnson.