No, I don’t think he does believe in Wiccan.   He may seem like a dark and mysterious figure due to some of the roles he has played in the Movies such as Dracula, and Attila in the movie of that same name.  He studied to be a lawyer and was in a rock band in college.  There is nothing about his life, or in his biography that I ever read, to suggest that he has such an interest.  He has starred in about five films and some say that he will be the next James Bond.   He seems like a nice Scottish guy with a lot of average interests.   It’s hard to believe that someone who trained as a lawyer, based on fact and historical or proven action, would, in some way be of the mind-set of Wiccan, but it’s an interesting subject, and there is always the possibility that he could have this interest.