Guy Van Swearingen is an American actor. He plays Detective Dinovo in Boss. He is a recurring co-star in the second season and debuts in the episode "Redemption". He has been active since 1993 and has also appeared in the series Detroit 1-8-7 and The Beast and the films The Negotiator (1998), The Weather Man (2005), Public Enemies (2009), Take Shelter (2011), and The Dilemma (2011).