Knockaround Guys is a 2001 comedy crime-drama film starring Barry Pepper, Vin Diesel, Seth Green, John Malkovich and Dennis Hopper.Dennis Hopper and Barry Pepper, who play father and son in the film, have both portrayed Tom Ripley, Hopper in 1977 in The American Friend and Pepper in 2005 in Ripley Under Ground, and fellow cast member John Malkovich portrayed Ripley in 2002's Ripley's Game.