In the harbor of Toulon, on the “Ocean” training ship, the apprenticeship of the cabin boys and experts of the Navy is punctuated by permissions in town, friendships, bullying, and loves.
| Actor | Role |
|---|---|
 Jean PâquiLaurent Le Gall | Laurent Le Gall |
 Blanchette BrunoyMarie | Marie |
 Thomy BourdelleGueguen | Gueguen |
 Jean ClaudioMichel | Michel |
 Marcel MouloudjiPassicot | Passicot |
 René ClermontLe Dréan | Le Dréan |
 Robert RollisCazalet | Cazalet |
 Daniel GélinPhilippe Demantes | Philippe Demantes |
 Jean BuquetLe Faouët | Le Faouët |
| RRoger PérianRadio Poulaine | Radio Poulaine |
 Jean GavenAlbertini, dit Tino | Albertini, dit Tino |
| RRomain LesageLa sentinelle | La sentinelle |
| IIsabelle BaudLa soeur de Marie | La soeur de Marie |
 Fernand SardouAuguste | Auguste |
| JJacques SigurdFustel | Fustel |
| VVaudierLe photographe | Le photographe |
 Jean NégroniNot listed | Not listed |
 Robert HommetNot listed | Not listed |