Suddenly is a 1954 American film noir[1] thriller directed by Lewis Allen with a screenplay written by Richard Sale.[2] The drama features Frank Sinatra, Sterling Hayden, James Gleason and Nancy Gates, among others.[3]

The tranquility of a small town is jarred when the U.S. president is scheduled to pass through and a hired assassin takes over the Benson home as a perfect location to ambush the president.

In post-war America, the President of the United States is scheduled to journey through the small town of Suddenly, California. Claiming to be checking up on security prior to his arrival, a group of FBI agents arrive at the home of the Bensons, on top of a hill that looks down upon the station where the presidential train is scheduled to stop. However, they soon turn out to be assassins led by the ruthless John Baron (Frank Sinatra), who take over the house and hold the family hostage.