Austrian actor/director Adrian Hoven made his earliest known screen appearance in 1947. For the next 35 years, he was seen in scores of European melodramas and horror films, as well as more prestigious efforts like the 15-hour TV miniseries Berlin Alexanderplatz (1981). He has also served as producer for the 1967 films Necronomicon and Burn Witch Burn. In addition, Adrian Hoven has occasionally tried his hand at screenwriting under the nom de plume of Percy Parker. ~ Hal Erickson, All Movie Guide