Plays Professor Arnold.
Similar look to someone familiar?
Hamill has met the new cast and crew, creature shop and more.
Hamill offers some updates via Twitter.
Hamill is on London.
It's recommended to get there early!
Ask Mark Hamill anything! Check out the highlights!
Fisher to appear on The Big Bang Theory with James Earl Jones.
Be a VIP guest at a taping of Nerdist Live.