A Scotland investigation into the sinister Lamberton family castle, where a servant was mysteriously killed and then a doctor strangled a few nights later. The servants are wrongly suspected and the truth provokes the suicide of the real culprit.
| Actor | Role |
|---|---|
 André BurgèreNot listed | Not listed |
 Raymond CordyNot listed | Not listed |
 Marcelle GéniatNot listed | Not listed |
 Pierre MagnierNot listed | Not listed |
| CClaude MayNot listed | Not listed |
 Gaston ModotNot listed | Not listed |
 Rolla NormanNot listed | Not listed |
 Henri ValbelNot listed | Not listed |