A man has had a werewolf curse cast upon him. If he doesn't get rid of it, he turns into a killer werewolf when the moon is full.
| Actor | Role |
|---|---|
 Paul NaschyWaldemar Daninsky | Waldemar Daninsky |
 Perla CristalDr. Ilona Elmann | Dr. Ilona Elmann |
 Verónica LujánKaren | Karen |
| MMiguel de la RivaDet. Heinrich Miller | Det. Heinrich Miller |
| PPilar ZorrillaErika Daninsky | Erika Daninsky |
 José MarcoMerrill | Merrill |
 Francisco AmorósFrederick | Frederick |
 Javier de RiveraHelmut Wolfstein | Helmut Wolfstein |
 Mark StevensBill Williams | Bill Williams |
 Ramón LilloDetective | Detective |
 Fabián CondeNeville Yates | Neville Yates |
| SSofía CasaresGirl in Tavern | Girl in Tavern |
| VVictoria HernándezIlona's Assistant | Ilona's Assistant |