| Release Date | 19 April 2006 |
| US Box Office | $36,000,000 |
| Tagline | Let's do this |
| Genre | Action, Crime, Drama, Thriller |
| Country | USA |
| Filming Locations | Chesapeake Bay Bridge, Chesapeake Bay, Maryland, USA |
| Language | English |
| Sound Mix | DTS, Dolby Digital |
| Color | Color |
The Sentinel is a 2006 action thriller film about a veteran United States Secret Service bodyguard who is suspected as a traitor after an attempted assassination of the president reveals that someone within the Service is providing information to the assassins. The film stars Michael Douglas as the veteran agent, Kiefer Sutherland as his protégé, Eva Longoria as a rookie Secret Service agent, and Kim Basinger in the role of the First Lady. It is based on the novel of the same name by former Secret Service Agent Gerald Petievich. It was filmed in Washington D.C. and in the Canadian town of Kleinburg, Ontario.