In case you were wondering, it's House.
A few weeks ago, it was Lance Guest. Star of fabulously cheezy 80's movieThe Last Starfighter. Perhaps, if you did not have a 9-yr-old, older brother in 1985, this was not a movie you saw 65 times in a row. Consider yourself lucky.
After that, Facts-of-Life youngster (child of Patty Duke & John Astin, brother of Sean Astin) Mackenzie Astin played a sick kid's father.
This week? None other than the Greatest American Hero - Willaim Katt.
And this, of course, doesn't take into account the fabulous return of Robert Sean Leonard
I can't wait to see who'll be on next week!