Where is Robin Williams?

Movie Role
Patch Adams (1998) Hunter "Patch" Adams
What Dreams May Come (1998) Chris Nielsen
Night at the Museum: Battle of the Smithsonian (2009) Theodore Roosevelt
Dead Poets Society (1989) John Keating
Good Will Hunting (1997) Sean Maguire
A.I. Artificial Intelligence (2001) Dr. Know (voice)
Jack (1996) Jack Powell
Aladdin (1992) Genie / Peddler (voice)
Hook (1991) Peter Banning
One Hour Photo (2002) Seymour Parrish
Robots (2005) Fender (voice)