| Release Date | 07 October 1954 |
| Tagline | A cold-blooded thriller! |
| Genre | Crime, Drama, Film-Noir, Mystery, Thriller |
| Country | USA |
| Filming Locations | Newhall, California, USA |
| Language | English |
| Sound Mix | Mono |
| Color | Black and White |
| Film Type | Feature |
| Film Class | Crime Thriller |
| Themes | Hostage Situations, Assassination Plots |
| Tones | Forceful, Gritty, Tense |
| Tags | Assassin, Hostage, Maniac, Politician, Scheme |
Suddenly (1954) is an American film noir directed by Lewis Allen with a screenplay written by Richard Sale. The drama features Frank Sinatra, Sterling Hayden, James Gleason and Nancy Gates, among others.