William J. "Willem" Dafoe is an American actor. He is most notable for playing the Green Goblin in Sam Raimi's Spider-Man.
For Disney, he voiced Gill in the 2003 Disney/Pixar film Finding Nemo, Tars Tarkas in the 2012 Disney film John Carter, and Cob in Tales from Earthsea. He reprised the role again as Gill in the 2016 film Finding Dory.