Varulvarna was released in the year 1981。Varulvarna is also called as The Howling, Ulvonta, Ululato, Uivo da Fera, Tier, The howling - ulvonta, Hurlements, Aullidos。

Eye-popping special effects highlight an updated werewolf story. TV newswoman, Karen White, goes on a retreat after a traumatic incident with a serial killer. But is she really safe? And what should she fear more: regaining her memory or the creepy residents of "The Colony"? Followed by many unsatisfying and unconnected sequels. Helped launch shortlived werewolf craze in early eighties.

Varulvarna actors and actresses include Dennis Dugan, John Sayles, Lon Chaney Jr., Patrick Macnee, Robert Picardo, Roger Corman。