It's a busy day for TV news with a ton of casting announcements and renewals. Let's get into it.

Live Hamm

Jon Hamm will be returning to 30 Rock in his Emmy-nominated role for the show's special live episode this season. In addition, Oscar-nominee Paul Giamatti will guest star on the series as well in the second episode of the season. ]EW.com]

More Real Housewives

Bravo has renewed the New Jersey and New York versions of its Real Housewives franchise for another season each. The news comes right after nearly 4 million people tuned into part 1 of the Real Housewives of New Jersey reunion, the network's highest ratings of the season. You can also check out the cast for the sixth version of the franchise, The Real Housewives of Beverly Hills. [The Hollywood Reporter]

Fewer Real Housewives

While The Real Housewives of New York City will be back, Bethenny Frankel won't be. After getting her own spin-off, Bethenny told Us Magazine that she won't return for the fourth season. [usmagazine.com]

America's Got Even More Talent

NBC has renewed its summer hit, America's Got Talent, for a sixth season. So if you are marginally talented, or just an entertaining trainwreck, you too can win your own Vegas show.

Wedding Bells on Grey's Anatomy

According to EW's Michael Ausiello, there's a wedding on the way for two doctors at Seattle Grace. Cristina and Owen will tie the knot, helping to dramatically change the series and possibly give it a much-needed kick start. [EW.com]

Showtime Casting

Eddie Izzard will star on Showtime's United States of Tara as a psych professor interested in Tara's disorder. [Deadline Hollywood]

Meanwhile, Joan Cusack has joined the cast of the new Showtime drama Shameless, coming in January, replacing Allison Janney as an agoraphobic housewife. [The Hollywood Reporter]



(Image courtesy of NBC)