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 |
| Sound | Annibale Bizzelli | Music |
| Directing | Libero Solaroli | Assistant Director |
| Sound | Hans Bittmann | Sound |
| Writing | Mario Camerini | Story |
| Camera | Domenico Scala | Camera Operator |
| Writing | Pietro Solari | Screenplay |
| Writing | Mario Soldati | Screenplay |
| Camera | Ferdinando Martini | Director of Photography |
| Writing | Mario Camerini | Screenplay |
| Writing | Mario Soldati | Story |
| Sound | Giovanni Paris | Sound |
| Production | Roberto Dandi | Producer |
| Directing | Renato Castellani | Assistant Director |
| Crew | Massimo Terzano | Cinematography |
| Art | Gino Franzi | Production Design |
| Production | Roberto Dandi | Production Manager |
| Camera | Ferdinando Martini | Camera Operator |
| Writing | Ercole Patti | Screenplay |
| Editing | Fernando Tropea | Editor |
