02/24/2012 03:19 pm ET

Giuliana Rancic Says No To 'Dancing With The Stars' And More Casting News

Giuliana Rancic is saying "thanks, but no thanks" to "Dancing With the Stars." According to E! Online, the TV personality has been approached to do the popular ABC dance competition, but she won't appear in Season 14.

Rancic, who is battling breast cancer, told E! Online that her schedule is too busy.

"I've been a big fan of the show for years," Rancic said. "But sadly, my schedule at the moment would never allow for the grueling rehearsal commitment."

In other TV casting news ...

Brittany Snow is the president's daughter. The "American Dreams" veteran will play the first daughter on NBC's White House-set comedy "1600 Penn." "The Book of Mormon" star Josh Gad will play her older brother. [TVLine]

All hail the queen, Emma Thompson.
In "Walking The Dogs," Thompson will play England's Queen Elizabeth in the half-hour Sky TV drama about a break-in that occurred at Buckingham Palace in the early '80s. [THR]

Matt Long, Maury Sterling and Brigid Brannagh are going back in time for ABC's "Gilded Lilys."
The trio will co-star opposite Brian F. O'Byrne, Blythe Danner, Sarah Bolger and Madeline Zima in Shonda Rhimes' period piece about the first luxury hotel in New York City. [THR]

Dave Annable has joined ABC's "666 Park Avenue."
Starring opposite "Lost's" Terry O'Quinn, Annable will play one part of the young couple who agree to manage an apartment building where supernatural occurrences happen. [TVLine]