An Italian proprietor of a squalid Djibouti bar collaborated in selling arms to Ethiopians fighting his own country's invasion but after finding his long lost son on the Fascist front he decides to choose patriotism over selfish profit.
Unfortunately the movie Il grande appello is not yet available on HBO Max.
| Directing | Mario Camerini | Director |
| Writing | Ercole Patti | Screenplay |
| Writing | Mario Soldati | Screenplay |
| Sound | Giovanni Paris | Sound |
| Art | Gino Franzi | Production Design |
| Writing | Pietro Solari | Screenplay |
| Camera | Ferdinando Martini | Director of Photography |
| Editing | Fernando Tropea | Editor |
| Directing | Renato Castellani | Assistant Director |
| Directing | Libero Solaroli | Assistant Director |
| Writing | Mario Soldati | Story |
| Sound | Annibale Bizzelli | Music |
| Production | Roberto Dandi | Production Manager |
| Sound | Hans Bittmann | Sound |
| Production | Roberto Dandi | Producer |
| Camera | Domenico Scala | Camera Operator |
| Camera | Ferdinando Martini | Camera Operator |
| Writing | Mario Camerini | Story |
| Writing | Mario Camerini | Screenplay |
| Crew | Massimo Terzano | Cinematography |
