The Sentinel (2006)
Genres: Action, Political, Thriller
Cast: Michael Douglas, Kiefer Sutherland, Eva Longoria, Martin Donovan, Kim Basinger
The Sentinel is a 2006 American political action thriller film directed by Clark Johnson about a veteran United States Secret Service special agent who is suspected as a traitor after an attempted assassination of the president reveals that someone within the Service is supplying information to the assassins.