In the Nazi occupied city of Rome, an assault on an SS brigade draws retaliation from the military governship. "Massacre in Rome" is the true story of how this partisan attack led to the mass execution of Italian nationals under the orders of SS-Lieutenant Colonel Kappler.
| Directing | George P. Cosmatos | Director |
| Sound | Bruno Nicolai | Conductor |
| Production | Carlo Ponti | Producer |
| Editing | Roberto Silvi | Editor |
| Editing | Françoise Bonnot | Editor |
| Art | Arrigo Equini | Production Design |
| Costume & Make-Up | Gaia Romanini | Costume Design |
| Production | Paolo Infascelli | Production Manager |
| Camera | Cesare Allione | Camera Operator |
| Directing | Luciano Sacripanti | First Assistant Director |
| Sound | Carlo Palmieri | Sound |
| Sound | Piero Fondi | Boom Operator |
| Art | Arrigo Breschi | Set Decoration |
| Costume & Make-Up | Mario Van Riel | Makeup Artist |
| Costume & Make-Up | Giusy Bovino | Hairstylist |
| Production | Lanfranco Diotallevi | Unit Manager |
| Directing | Elvira D'Amico | Script Supervisor |
| Editing | Nadia Moscovini | Assistant Editor |
| Sound | Luciano Anzellotti | Foley Artist |
| Sound | Massimo Anzellotti | Foley Artist |
| Sound | Fausto Ancillai | Sound Mixer |
| Camera | Marcello Gatti | Director of Photography |
| Sound | Ennio Morricone | Original Music Composer |
| Writing | Robert Katz | Novel |
| Writing | Robert Katz | Screenplay |
| Writing | George P. Cosmatos | Screenplay |
| Writing | Lucio De Caro | Screenplay |
| Writing | Fabio Mauri | Screenplay |
| Production | Marcello D'Amico | Executive Producer |
