Check out this video interview of Ron Perlman in Hellboy 2: The Golden Army. It also stars Selma Blair. Directed by Guillermo del Toro, it has his signature use of eyes unnaturally set in other parts of the anatomy like what's in Pan's Labyrinth.
See what costars Anna Walton and Luke Goss has to say about playing the bad guys!
Guillermo del Toro's use of eyes in movies