Cowboy detective investigates two murders.
| Actor | Role |
|---|---|
 Augusto BenedicoNot listed | Not listed |
 Rosa de CastillaNot listed | Not listed |
 Demetrio GonzálezNot listed | Not listed |
 Jorge LavatNot listed | Not listed |
 Carlos López MoctezumaNot listed | Not listed |
 Carlos RiquelmeNot listed | Not listed |
 Carlos CortésLorenzo Aldama | Lorenzo Aldama |
 Guillermo ZetinaLic. Trueba | Lic. Trueba |
| MMary MontielRita Estrada | Rita Estrada |
| MMiguel MacíaFiscal | Fiscal |
 Oscar MorelliRoberto Vázquez | Roberto Vázquez |
 Roberto MeyerDon Andrés Suárez | Don Andrés Suárez |
| AArmando GutiérrezJuez | Juez |
| NNéstor DomínguezComisario | Comisario |
| RRaúl Pérez PrietoEsbirro | Esbirro |
| JJosé Luis AvendañoPedro | Pedro |
| GGuillermo AyalaEl Remington | El Remington |
| LLuis BarbaJulián | Julián |
| MManuel JareroEspectador juzgado | Espectador juzgado |
| EErnesto JuárezAsistente comisario | Asistente comisario |
| FFernando SaucedoDoctor | Doctor |