Frank Sinatra plays one of three paid assassins who take up residence in a California town as part of a plot to kill the president, who’s passing through on a fishing trip. Released in 1954, well before JFK was assassinated, this is a reasonably efficient but fairly unpleasant black-and-white thriller, written by Richard Sale and directed by Lewis Allen. Worth seeing mainly for the actingby Sinatra, Sterling Hayden, James Gleason, Nancy Gates, and others. (JR)