From Constantinople to Marseilles, aboard a cargo ship, an intrigue full of adventures brings together a courageous young girl and a young risk-taker who succeeds in thwarting a series of long-planned crimes.
| Actor | Role |
|---|---|
 Edwige FeuillèreDélia | Délia |
 Pierre BrasseurJean Forestier | Jean Forestier |
 Jessie VihrogJenny | Jenny |
| LLucien DayleH. Forestier | H. Forestier |
 Pierre LabryCommander | Commander |
 Daniel MendailleThe first officer | The first officer |
 Bill BocketThe second officer (as Bill-Bocketts) | The second officer (as Bill-Bocketts) |
 Jeanne Fusier-GirThe passenger | The passenger |
| HHenri MairetThe passenger | The passenger |
 Raymond AimosDimitri | Dimitri |
 Max MaxudianThe Persian (as Maxudian) | The Persian (as Maxudian) |
| GGermaine GodefroidNot listed | Not listed |
 Roger KarlThe owner Dekalf | The owner Dekalf |
 Edouard HamelNot listed | Not listed |
 Henri BoscMakarian (as Henry Bosc) | Makarian (as Henry Bosc) |
 Henry BonvalletNot listed | Not listed |