<Tr> <Th> Years active </Th> <Td> 1986--present </Td> </Tr> <Tr> <Th> Spouse (s) </Th> <Td> (First wife) (divorced) Carrie Preston (m . 1998) </Td> </Tr> <P> Michael Emerson (born September 7, 1954) is an American film and television actor who is best known for his roles as serial killer William Hinks on The Practice, Benjamin Linus on Lost, Zep Hindle in the first Saw film, and Harold Finch on the CBS series Person of Interest . Emerson has also worked extensively in theater and narration . He has won two Primetime Emmy Awards and been nominated for three others, as well as receiving other awards and nominations . </P> <P> Emerson was born in Cedar Rapids, Iowa, to Carol (née Hansen) and Ronald H. Emerson . He grew up in Toledo, Iowa, where he attended South Tama County High School and was a member of its marching band . </P>

Who plays mr finch in person of interest