Dark House (1932)
Travellers take refuge in eccentric Welsh household. Charles Laughton and Boris Karloff starred in James Whales' classic horror comedy.
Lawrence Talbot returns to the family home in Llanwelly, Wales, only to become bitten by a werewolf. Lon Chaney Jnr's portrayal of the Wolf Man is Hollywood's most enduring. Bela Lugosi also starred.
Meets The Wolf Man (1943)
Cash-in sequel on the above. The film starts off outside a hospital in Cardiff and ends up in Vasaria where Lawrence Talbot is seeking a cure for his lycanthropy. Bizarrely though he bumps into... Frankenstein!
Weird Sisters (1948)
Set in a Welsh village, three virginal crones plot to kill their wealthy half-brother. Dylan Thomas co-wrote the script.
of Fear (1976)
Woman inherits house in Wales but is driven to madness and murder by jealous locals.