An agent of the anti-drug brigade is captured and ends up addicted to marijuana, which causes him to enter the mafia.
| Actor | Role |
|---|---|
 José BohrRaúl Devoto / Daniel | Raúl Devoto / Daniel |
 Lupita TovarIrene Heredia | Irene Heredia |
 Barry NortonCarlos | Carlos |
 René CardonaAntonio Pedroza | Antonio Pedroza |
 Ángel T. SalaDomínguez | Domínguez |
 Alberto MartíDr. Luis Devoto | Dr. Luis Devoto |
| PPilar FernándezSra. Devoto | Sra. Devoto |
 Sara GarcíaPetra | Petra |
 Emilio FernándezEl indio | El indio |
| CCarlos BazEl Sapo | El Sapo |
 Manuel NoriegaDr. Bueno | Dr. Bueno |
| CCarmelita BohrRocío | Rocío |
| VVirgina RamseyRosa de Oriente | Rosa de Oriente |
| AAntonio ManriqueJuan Lee | Juan Lee |
| RRoberto Cantú RobertDr. Montes | Dr. Montes |
| GGuillermo Cantú RobertNene | Nene |
 Clifford CarrDirector hotel (uncredited) | Director hotel (uncredited) |
 Víctor Junco(uncredited) | (uncredited) |
 Max LanglerCamarero (uncredited) | Camarero (uncredited) |
| CConsuelo SegarraEnfermera (uncredited) | Enfermera (uncredited) |
 David Valle GonzálezPolicía (uncredited) | Policía (uncredited) |