Henry starred as Dr. Arthur Strauss on the TV series The Following from 2014 to 2015. Since 2012 he has starred on the series Scandal as Hollis Doyle. Henry has appeared in the movies Scarface, Raising Cain, Star Trek: Insurrection, United 93, Guardians of the Galaxy, Jason Bourne, and more. In 2017, Gregg Henry stirred some controversy when he played the role of Caesar in a production of Shakespeare in the Park in New York City. His portrayal of Caesar very closely resembled Donald Trump which outraged conservatives.