Michael Esper is an American actor. He initially debuted in the 1995 film Dying is Easy but only work on film and TV full-time in the 2000s. In 2001, he played the Young John Nash in the biographical drama A Beautiful Mind. He next had roles in the movies American Gun, Loggerheads, and Light and the Sufferer. In the 2010s, he had performances in such feature films as All Good Things, Watching TV with the Red Chinese, Frances Ha, Runner Runner, The Drop, and Ben Is Back. On the small screen, he starred as Dr. Kenneth Jordan in Do No Harm and Gabe in Nurse Jackie. In 2018, he portrayed John Paul Getty Jr. in the FX series Trust. He recently played Adam Rain in Ray Donovan and Bill Samuels in HBO’s The Outsider.