WHCD, guest list from the faux noise table has been listed as well as others:
Fox News: The News Corp-owned cable news network will have Patrick Stewart and Ian McKellen as its guests this year. X-Men: Days Of Future Past director Bryan Singer and producer/writer Simon Kinberg will be sitting at the FNCs tables too. Former Private Practice star Tim Daly will be there as will Glees Kevin McHale and Colton Haynes of The CWs The Arrow. Oscar-winning screenwriter Dustin Lance Black, who wrote Milk and J. Edgar, will be in attendance. The Social Network and G.I. Joe: Retaliation actor Joseph Mazzello is a FNC guest along with True Bloods Ryan Kwanten and Americas Best Dance Crew judge and NSync member JC Chasez.
CBS: Claire Danes is returning to the WHCD. The star of Homeland, reportedly one of President Obamas favorite shows, will again be a guest of Face The Nation host Bob Schieffer. Danes husband Hugh Dancy, from rival NBCs Hannibal, will be there too as a guest of CBS News. Also joining the CBS table is one of the faces of CBS primetime: Hawaii Five-Os Daniel Dae Kim wil be at the networks table with the various generals, committee chairs and White House aides.
Huffington Post: Jon Bon Jovi will be sitting at this table, joining fellow Jerseyite Gov. Chris Christie, who many think may take a run at the White House in 2016. Scarlett Johansson, who gave a speech with Kerry Washington during last years Democratic National Convention, also has a spot.
http://www.deadline.com/2013/04/white-house-correspondents-dinner-2013-hollywood-guest-list/