In the Line of Fire: Directed by Wolfgang Petersen. With Clint Eastwood, John Malkovich, Rene Russo, Dylan McDermott. Secret Service agent Frank Horrigan couldn’t save Kennedy, but he’s determined not to let a clever assassin take out this president. Veteran Secret Service agent Frank Horrigan is a man haunted by his failure to save President Kennedy while serving protection detail in Dallas. Thirty years later, a man calling himself “Booth” threatens the life of the current President, forcing Horrigan to come back to protection detail to confront the ghosts from his past.