Answer
The first film Olyphant starred in after the end of Justified was Mother’s Day, a 2016 American comedy horror film directed by Darren Lynn Bousman and written by Scott Milam. The film stars Olyphant, Christina Ricci, Joshua Leonard, and Patrick Wilson. The film follows a group of criminals who are forced to take shelter in a house during a snowstorm, where they are attacked by a group of escaped convicts.