Santo in the Mystery of the Black Pearl
Santo fights diamond smugglers.
| Actor | Role |
|---|---|
 El SantoSanto | Santo |
 Fernando OsésDiamond Buyer | Diamond Buyer |
 Frank BrañaJulio | Julio |
 María Eugenia San MartínWu-Li | Wu-Li |
 Antonio PicaAndres Cortez | Andres Cortez |
| GGuillermo GalvezChe Davila | Che Davila |
 Mara CruzAndres' Girlfriend | Andres' Girlfriend |
 Juan GarzaHenchman | Henchman |
| CCarlos SuárezPolice official in Puerto Rico | Police official in Puerto Rico |