Matt Helm wordt uit zijn 'vervroegd pensioen' gehaald als een overgelopen wetenschapper de misdaadorganisatie 'Big O' kan helpen bij het plat radioactiviteit op de mensheid neer te laten. Matt heeft echter een zwak voor vrouwen; zij kunnen hem het zwijgen opleggen.
Nee, helaas is The Silencers nog niet beschikbaar op Netflix in Nederland.
| Writing | Donald Hamilton | Novel |
| Writing | Oscar Saul | Screenplay |
| Directing | Phil Karlson | Director |
| Crew | Marlowe Newkirk | Special Effects |
| Art | George R. Nelson | Set Decoration |
| Crew | Robert Sidney | Choreographer |
| Costume & Make-Up | Moss Mabry | Costume Design |
| Editing | Charles Nelson | Editor |
| Production | James Schmerer | Associate Producer |
| Sound | Elmer Bernstein | Original Music Composer |
| Art | Joseph C. Wright | Art Direction |
| Production | Irving Allen | Producer |
| Camera | Burnett Guffey | Director of Photography |
| Costume & Make-Up | Virginia Jones | Hairstylist |
| Crew | Tom Steele | Stunts |
| Crew | Carey Loftin | Stunts |
| Crew | Sol Gorss | Stunts |
| Crew | Glen Thompson | Stunts |
| Crew | Chuck Hicks | Stunts |
| Crew | Bill Couch | Stunts |
| Crew | John Daheim | Stunts |
| Crew | Bob Herron | Stunts |
| Crew | Joe Gray | Stunts |
| Costume & Make-Up | Sy Devore | Wardrobe Designer |
| Production | Sergei Petschnikoff | Unit Production Manager |
| Directing | Clark L. Paylow | Assistant Director |
| Sound | Lambert E. Day | Sound |
| Production | Ralph E. Black | Unit Production Manager |
| Costume & Make-Up | Ben Lane | Makeup Supervisor |
| Directing | James Curtis Havens | Second Unit Director |
| Sound | Charles J. Rice | Sound Supervisor |
