Françoise, a French sociology student, moves to Czechoslovakia to write her thesis. She falls in love with Pavel, a professor. But the events of the "Prague Spring" begin and Pavel decides to collaborate. Françoise returns to France and meets up with her militant friends on the eve of the events of May 68 in Paris.
| Actor | Role |
|---|---|
| TThalie FrugèsFrançoise | Françoise |
 Vít OlmerPavel | Pavel |
 Philippe BaronnetJean-Louis | Jean-Louis |
 Jana ŠulcováVladěna | Vladěna |
| JJosef ČápStašek | Stašek |
 Jiří OrnestNot listed | Not listed |
 Petr SvojtkaKotalík | Kotalík |
| LLadislav JanskýHonza | Honza |
| AAloys RwakaAloys Mofeba | Aloys Mofeba |
 Jiří PlachýNot listed | Not listed |
 Lenka TermerováRadka | Radka |
 Hana BrejchováKveta | Kveta |
| RRadúz ChmelíkProfessor | Professor |
 Helena RůžičkováNot listed | Not listed |
 Kamila MoučkováNot listed | Not listed |
| MMichel DucrocqPhilippe | Philippe |
| VValérie VienneMaite | Maite |
| DDaniele GarnierVirginie | Virginie |
| PPascal FardoulisElder Student | Elder Student |
| JJean-Pierre MarichalGruber | Gruber |
| JJiřina BíláNot listed | Not listed |
| AAlena BalejováNot listed | Not listed |
| JJiří CimickýNot listed | Not listed |
| KKarel KratochvílNot listed | Not listed |
 Stanislav LiteraNot listed | Not listed |
| VVladimír NavrátilNot listed | Not listed |
| JJosef DziedzicNot listed | Not listed |
| ZZdeněk GrygárekNot listed | Not listed |
| FFrantišek HájekProffesor | Proffesor |
| JJar. KalivodaNot listed | Not listed |