Kevin Chapman is an American actor known for playing an assortment of characters ranging from the obnoxious brother Terrence Garrity in FX's Rescue Me to street enforcer Val Savage in Clint Eastwood's Mystic River. He also appeared in the film Sunshine Cleaning (2008), portrayed Detective Lionel Fusco on the CBS crime drama Person of Interest (2011–2016), Freddie Cork on Brotherhood (2006–2008), and guest starred in 24 (2002–2003).

Mystic River is a 2003 American neo-noir crime drama film directed and co-produced by Clint Eastwood, and starring Sean Penn, Tim Robbins, Kevin Bacon, Laurence Fishburne, Marcia Gay Harden, and Laura Linney. The screenplay, written by Brian Helgeland, was based on the 2001 novel of the same name by Dennis Lehane. It is the first film in which Eastwood was credited as composer of the score.