Tim Griffin is an American actor. His Hollywood career started in the late 1980s. He became more active the following decade with guest roles on TV and parts in some movies. In the 2000s, he became further known for his work in the movies The Bourne Supremacy, Kids in America, and Cloverfield, among others. During this period, he also became known for his recurring character as Ronny O’Malley on Grey’s Anatomy. In the 2010s, he joined the main cast of the show Prime Suspect. He next played recurring part Seth Newman on Covert Affairs. As of 2015, he stars as Adam Hassler on Wayward Pines.