From 2011 to 2012 he starred as Det. Mitch Oullette in the series Weeds. Since 2013 Harney has starred as Sam Healy in the series Orange is the New Black. He has starred in the movies Turbulence, Sonic Impact, Erin Brockovich, Shade, Captivity, Ocean’s Thirteen, and The Onion Movie. He has also had recurring roles in the TV series Law & Order, NightMan, Vanished, Life, Raising the Bar, The Defenders, Vegas, True Detective, and Suits. In 2015 Harney won a Screen Actors Guild Award for Orange Is the New Black.