A clumsy investigator must unravel a deadly mystery when a passenger is killed during a long-distance rail journey.
| Actor | Role |
|---|---|
 Antonio Espino 'Clavillazo'Not listed | Not listed |
 René CardonaNot listed | Not listed |
 Manuel DondéNot listed | Not listed |
 Prudencia GrifellNot listed | Not listed |
 Rosita ArenasNot listed | Not listed |