Looks like the Force is strong with Mouse-Con as C. Andrew Nelson has been confirmed as a guest.
C. Andrew Nelson is a visual effects artist and actor who is best known for his role as Darth Vader in Special Edition version of The Empire Strikes Back along with several Star Wars video games. He has also worked as a visual effects artist for most of the Star Wars films along with Galaxy Quest and The Curse of Monkey Island.
He will be joining Michael McGreevey who stared in several classic Disney Films, John Morris who played Andy in the Toy Story films, and animation director Rick Farmiloe. They will also be joined by acclaimed actor John Ratzenberger, best known for his role as Cliff Clavin from Cheers along having been featured in every Pixar movie.
Mouse-Con is a fan organized Disney convention that brings together iconic stars and industry professionals. The event will be held on November 5th at the the So. San Francisco Conference Center.