Een ervaren agent van de Amerikaanse geheime dienst moet de geheime samenzwering van een vijandelijk spionagenetwerk verijdelen dat de veiligheid van de wereld bedreigt.
Nee, helaas is Requiem per un agente segreto nog niet beschikbaar op Netflix in Nederland.
| Production | Alberto Grimaldi | Producer |
| Directing | Sergio Sollima | Director |
| Camera | Carlo Carlini | Director of Photography |
| Writing | Sergio Sollima | Story |
| Directing | Nino Zanchin | First Assistant Director |
| Camera | Gastone Di Giovanni | Camera Operator |
| Art | Saverio D'Eugenio | Set Decoration |
| Sound | Antonio Pérez Olea | Original Music Composer |
| Writing | Sergio Donati | Screenplay |
| Art | Teddy Villalba | Production Design |
| Costume & Make-Up | Raul Ranieri | Makeup Artist |
| Sound | Armando Bondani | Boom Operator |
| Editing | Francisco Jaumandreu | Editor |
| Production | Lamberto Andreani | Production Secretary |
| Directing | Carla Fierro | Script Supervisor |
| Writing | Sergio Sollima | Screenplay |
| Camera | Ruggero Radicchi | Assistant Camera |
| Sound | Vittorio Massi | Sound |
| Art | Nicola Tamburo | Assistant Set Decoration |
| Art | Román Calatayud | Production Design |
| Production | Thomas Sagone | Production Manager |
| Production | Averoe Stefani | Unit Manager |
| Costume & Make-Up | Nadia Vitali | Costume Design |
