Marcus Giamatti, born October 3, 1961 in New Haven, Connecticut, USA, is an American actor. He plays Scotty in Vegas. He is a guest star in the first season episode "All That Glitters". He has been active since 1986 and has also appeared in the films Pirates of Silicon Valley (1999), The Business of Strangers (2001), and The Chosen One (2010) and the series Judging Amy, Homicide: Life on the Street, The X-Files, and Life.
