. . . . . . . "Sheriff Decker"@en . . . . . . . . "Sheriff Decker is one of the villains in the 2001 movie KnockAround Guys. He was played by Tom Noonan. File:ImagesCAHGGNQG.jpg"@en . . "Sheriff Decker is one of the villains in the 2001 movie KnockAround Guys. He was played by Tom Noonan. File:ImagesCAHGGNQG.jpg"@en .