Martin Starr is an American actor. He’s also a comedian. He started his acting career in the ’90s. His first significant role was as Bill Haverchuck on Freaks and Geeks. The following decade, he had recurring roles on Roswell, Revelations, and Party Down. He also had roles in the films Knocked Up, Superbad, Walk Hard: The Dewey Cox Story, and Adventureland. In the 2010s, he had roles on the TV shows Hawaii Five-0, NTSF:SD:SUV::, Burning Love, and Drunk History. As of 2014, he stars as Bertram Gilfoyle on the HBO series Silicon Valley. He’s also recently appeared in the films Operator, Lemon, and Infinity Baby.