Biography and apology of the famous pilot, nicknamed by some the Archangel, who organized the airmail network of South America, flew the first over the Andes Cordillera, maintained the mystique of the South Atlantic, militated in the Crosses of Fire and perished at the controls of "La Croix du Sud" during its twenty-fourth crossing.
| Actor | Role |
|---|---|
| RRobert Hugues-LambertJean Mermoz | Jean Mermoz |
 Jean MarchatThe intellectual | The intellectual |
| LLucien NatJulien Pranville | Julien Pranville |
 Camille BertBouilloux-Laffont | Bouilloux-Laffont |
 Henri VilbertFort-Lamy mechanic | Fort-Lamy mechanic |
 André NicolleDidier Daurat | Didier Daurat |
| MMax FontalCollenot | Collenot |
| PPaul GobertNot listed | Not listed |
 Héléna MansonMadame Mermoz | Madame Mermoz |
 René BlancardNot listed | Not listed |
| JJean BoissemondNot listed | Not listed |
| JJacques CarriqueNot listed | Not listed |
| GGeorges-François FrontecNot listed | Not listed |
| JJean GobetNot listed | Not listed |
| JJean LatourNot listed | Not listed |
 André MarnayNot listed | Not listed |
| MMartial RèbeNot listed | Not listed |
| HHenri VéritéNot listed | Not listed |