I really have no idea if these characters fit together in lore. I'm really just picking actresses and actors that I like and fitting them into characters. I seemed to have leaned toward actors that are connected with Joss Whedon...mmmm.
Please be kind with your comments
Tricia Helfer - sucubus (she would look good with a whip)
Bruce Campbell - a troll ?
Felicia Day - Alexsstrasza
Nathan Fillion - Thrall
Elisha Dushku - Onyxia
Patrick Stewart - Archbishop Benedictus
Angelina Jollie - Elune
Brad Pitt - Arthus
Charisma Carpenter - Maiev Shadowsong
Dwayne Johnsosn - Malfurion Stormrage
Claire Danes - a priestess ?
Patrick Dempsey - Varian Wrynn
Erika Christensen - Jaina Proudmoore
Anthony Stewart Head - Uther Lightbringer
Jennifer Connelly - Sylvanas