- Country: Italy
- Genres: Action, Crime, Drama
- Release: 1975-04-05
- Director: Sergio Martino
- Writers: Fabio Pittorru , Massimo Felisatti , Sergio Martino , Gianfranco Couyoumdjian
- Language: Italian
- Stars: Luc Merenda , Mel Ferrer , Delia Boccardo , Michele Gammino , Paola Tedesco , Franco Giornelli , Gianfranco Barra , Carlo Alighiero , Claudio Gora , Claudio Nicastro
- Runtime: 98 min
- Awards: N/A
- AKA: Der lautlose Killer , I Accuse , L'accusé (France, French Republic) , La Ville Accuse (Canada) , Die Polizei klagt an - Der Geheimdienst tötet , Silent Action (United States of America) , Die Killermafia , La polizia accusa: il servizio segreto uccide , La polizia accusa: il servizio segreto uccide (Italy) , Polisattack (Sweden) , Chopper Squad , Suç Kimde (Turkey) , La ville accuse (France, French Republic) , Jag anklagar! (Sweden) , La policía acusa, el servicio secreto ejecuta (Spain) , Chopper Squad , Silent Action (United Kingdom) , Epiheirisis 'Siopi' (Greece)
- Plot:
A number of unexplained military deaths hit Italy and are ruled to be accidental or suicides, but police inspector Giorgio Solmi suspects otherwise. When a mysterious wealthy electrician is seemingly murdered by a female escort, a sinister plot slowly begins to unravel.
- IMDB:tt0075083
Silent Action Cast · · · ALL
Sergio Martino
Director
Luc Merenda
Inspector Giorgio Solmi
Mel Ferrer
District Attorney Mannino
Tomas Milian
Captain Mario Sperli
Delia Boccardo
Maria
Michele Gammino
Lt. Luigi Caprara
Paola Tedesco
Giuliana Raimondi aka la Tunisina
Franco Giornelli
Franz Schmidt
Gianfranco Barra
De Luca
Carlo Alighiero
Remo Ortolani
Claudio Gora
Martinetti
Claudio Nicastro
Prison Warden
Antonio Casale
Giovanni Andreassi - aka Massù
Giovanni Di Benedetto
General Stocchi
Arturo Dominici
Chief of Police
Carlo Gaddi
Massu Accomplice
Giancarlo Badessi
Vittorio Chiarotti
Clara Colosimo
Baronessa Grimaldi
Tom Felleghy
Colonel Scanni
Cesare Di Vito
Crime Scene Investigator
Loredana Nusciak
Mrs. Martinetti (uncredited)
Goffredo Unger
Getaway Driver (uncredited)
Riccardo Petrazzi
Militiaman (uncredited)
Maurizio Mattioli
Militiaman (uncredited)
Sergio Martino
Chopper Pilot (uncredited)