William Atherton in Season 6

If William Atherton returns to Dragon*Con, he may find a lot of LOST fans at his autograph table. According to TV Guide, William Atherton has signed on to guest star on LOST next year.      In addition, Jon Lachonis at TV OverMind tells us that we will see Atherton as a high school principal and speculates that we may see Dr. Arzt (Dan Roebuck) again! Many will remember Atherton from the Val Kilmer movie: Real Genius. carrot IQ sound bite  William Atherton sound bites Professor Hathaway Sound Clip from Real Genius