In 1944, in Paris, the leader of a resistance network is looking for the traitor who gave away a radio operator.
| Actor | Role |
|---|---|
 Maurice GarrelMarat | Marat |
 Barbara LaageMathilde | Mathilde |
 Michèle GirardonChloé | Chloé |
 Edith GarnierAnnie | Annie |
 Ursula Vian-KüblerElvire | Elvire |
| RRémy LongaRodrigue | Rodrigue |
| RRobert BenoîtFrédéric | Frédéric |
 Vania VilersCaracalla | Caracalla |
| CClaude-Jean BonnardotThucydide | Thucydide |
 Raymond JourdanLe curé | Le curé |
 Pierre LeprouxSidoine | Sidoine |
| NNicole KarenLa jeune veuve | La jeune veuve |
 Gaby BassetNot listed | Not listed |
| FFrançois BennardNot listed | Not listed |
 André DumasNicolas | Nicolas |
 François DyrekSerge | Serge |
| GGérard-Antoine HuartL'homme de Londres | L'homme de Londres |
 Anne ColletteNot listed | Not listed |
 Claude DegliameNot listed | Not listed |