David Alan Grier: Cast on Glee?!?
According to his own Twitter account, David Alan Grier will guest star on Glee this season in a major role: the father of Mercedes.
This is all the confirmation we have so much of the casting:

Grier most recently appeared on an episode of Bones. Do you think he's the right choice for this key part?
Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

December 20th, 2010 3:39 PM
Definitely Mercedes father should remain a dentist! However, they do sorely need is a strong black male who can really rap, really sing and really dance. He could be a dentist, a teacher (let's mix it up on the faculty) or a student. Lliving in Lima, Ohio, I'm sure he would be an outcast He doesn't need to be homeless! It was very unfair to replace the only black kid in the club (who only had one spoken line in 22 episodes) with Surfer Boy Sam (who can't sing, act or dance. He belongs on the Disney Channel) I'm white, btw, and Jewish, so this is personal at all. Bit it's embarrassing every time Mr. Shu or the other guys try to do rap, or hip hop. I don't even like rap or hip hop, but as the mother of 5 teenagers and young adults, I know what kids are into these days. And it's not old white guys trying to rap. There is a lot of under-written talent in the club: Mercedes, Tina, Mike. They get short-shrifted when it comes to scripting their back-stories, their family issues, etc. Let's sp
October 27th, 2010 1:29 PM
I agree, the dentist might be her stepfather? Also agree with everything sez wrote.
Love David Alan Grier though!
October 27th, 2010 1:48 AM
Yeah, i remember her saying he was a dentist, when Sue said she was "poor". That could also be her step-dad though, you never know.
October 26th, 2010 10:32 PM
I was just about to write the exact same post as Sam, Mercades said he was last season?
Not sure I'm happy with this development, I liked her coming from a happy home (explained why she is the way she is, i.e. full of confidence, self esteem and most of the time pure joy). This sounds depressing, I don't like it.
Could they not have just made him and K/Carl feuding dentists?
October 26th, 2010 9:31 PM
So did I. Way to be consistent, show writers.
October 26th, 2010 6:30 PM
i thought her dad was a dentist