Martin Schienle (born July 30, 1982), known professionally as Martin Starr, is an American actor. He is known for the television roles of Bill Haverchuck on the short-lived comedy drama Freaks and Geeks (1999–2000), Roman DeBeers on the comedy series Party Down (2009–2010, 2023), Bertram Gilfoyle on the HBO series Silicon Valley (2014–2019), for...