on Showtime), “American Gigolo” is based on the 1980 Schrader film of the same name, starring Richard Gere and Lauren Hutton. The series follows Julian Kaye (Jon Bernthal), a former gigolo who spent 15 years in prison for a murder he didn’t commit. After he’s exonerated, he scrambles to rebuild his life — which includes putting together the puzzle of who framed him for the crime, and also reuniting with his former flame, Michelle Stratton (Mol). “[Jon Bernthal] is fantastic.