Kai Lennox is an American actor. He plays Bob Perrin in Vegas. He is a recurring guest star in the first season and debuts in the series pilot. He has been active since 1991 and has also appeared in Crimson Tide (1995), Boogie Nights (1997), Rush Hour (1998), Yes Man (2008), and Beginners (2010). He had a starring role in the short lived crime drama The Unusuals and has also appeared in Justified and NYPD Blue.