This is an exposition of the social and political history of renaissance Florentine history, told through dramatized conversations between the main participants, Cosimo de Medici and Brunelleschi.
| Directing | Roberto Rossellini | Director |
| Editing | Jolanda Benvenuti | Editor |
| Production | Renzo Rossellini | Producer |
| Camera | Mario Montuori | Director of Photography |
| Costume & Make-Up | Marcella De Marchis | Costume Design |
| Sound | Manuel De Sica | Original Music Composer |
| Writing | Roberto Rossellini | Screenplay |
| Writing | Marcella Mariani | Screenplay |
| Writing | Luciano Scaffa | Screenplay |
| Production | Claude Baks | Producer |
| Sound | Carlo Tarchi | Sound |
| Directing | Claudio Bondi | First Assistant Director |
| Directing | Giuseppe Cino | First Assistant Director |
| Camera | Gianni Maddaleni | Camera Operator |
| Production | Sergio Iacobis | Line Producer |
| Production | Carla Raiconi | Production Secretary |
| Production | Francesco Orefici | Production Manager |
| Directing | Claudio Amati | Second Assistant Director |
| Costume & Make-Up | Luciana Maria Costanzi | Hairstylist |
| Production | Nicola Venditti | Unit Manager |
| Camera | Gianni Assenza | Still Photographer |
| Costume & Make-Up | Manlio Rocchetti | Makeup Artist |
| Art | Franco Velchi | Production Design |
| Sound | Fausto Ancillai | Sound Mixer |
| Directing | Marcella Mariani | Script Supervisor |
| Editing | Rita Di Palo | Assistant Editor |
| Costume & Make-Up | Maurizio Silvi | Assistant Makeup Artist |
| Camera | Sergio Melaranci | Assistant Camera |