Ian Mckellen as Jake Bunce playing Gandalf type character (dunno how this will be possible since Gandalf doesn't exist, he wasn't part of the whole lawsuit/xenforo thing) but hell, if we don't include him in since the "More waiting is required" comment deserves that a Gandalf character is included.
Laughing Moose from evil dead 2 playing slavik as the laughing moose
Bruce Campbell - Lawrence
Concern community played by exploding head guys in scanners
Competing other half community played by the ORCs in the lord of the rings
The real trolls played by the dancers of Riverdance