A former professor and devout Catholic living in Jerusalem is unaware that his son supposedly studying in Paris has actually become the leader of an anarchist network under the codename Sirias.
| Actor | Role |
|---|---|
 Edmond van DaëleJean-Louis Verdier dit Sirias | Jean-Louis Verdier dit Sirias |
 Marguerite MadysAlice Leroy | Alice Leroy |
 Maurice SchutzMarc Verdier | Marc Verdier |
| BBerthe JalabertMadame Verdier | Madame Verdier |
 Gaston JacquetLarsac | Larsac |
| LLéon MalavierSeptime Verdier | Septime Verdier |
 Lionel SalemJésus | Jésus |
 Paul FranceschiJudas | Judas |
| RRaymond BlotJean-Baptiste | Jean-Baptiste |
 Georges PécletNot listed | Not listed |