Gor (1987)

aka: John Norman’s Gor

American professor Tarl Cabot (Urbano Barberini) is transported via a magical ring to planet Gor, where he must help an oppressed country overthrow its evil king (Oliver Reed) and his barbarian henchmen. Also stars Rebecca Ferratti and Jack Palance.

Note: This film comes from an uncut German import print, in very nice picture quality.