THE 20 CANDIDATES FOR CBS'S "BIG BROTHER: ALL-STARS" WILL BE UNVEILED DURING A SPECIAL CASTING EPISODE, "BIG BROTHER: ALL-STARS AMERICA'S VOTE" WEDNESDAY, JUNE 21 AT 8:00 PM ON CBS

Television Viewers to Play Casting Agent and Vote Online at CBS.com For Their Favorite Former "BIG BROTHER" Contestant to Be Part of the All-Star Cast

CBS will kick off BIG BROTHER: ALL-STARS with a special casting episode, BIG BROTHER: ALL-STARS AMERICA'S VOTE, that will unveil the top 20 candidates for this summer's All-Star edition, to be broadcast Wednesday, June 21 (8:00-9:00PM, ET/PT) on the CBS Television Network.

For the first time in the series' history worldwide, viewers will have the opportunity to vote for which former Houseguests should compete this season, choosing half of the Houseguests who will ultimately enter the BIG BROTHER house. Each potential "All-Star" introduced on the casting episode will have their own profile on CBS.com, which will include "Why you should vote for me" text and video, as well as clips from their past appearance on BIG BROTHER.

Immediately following the East Coast broadcast of BIG BROTHER: ALL-STARS AMERICA'S VOTE, viewers can vote online at CBS.com. The polls will close on Wednesday, June 28 at 11:59 PM ET/8:59 PM PT. Additionally, throughout the voting process, candidates will be able to campaign for themselves and use any reasonable means they can to state their case to America as to why they should be voted into the BIG BROTHER: ALL-STARS house. Tune into the premiere of BIG BROTHER: ALL-STARS on Thursday, July 6 at 8:00 PM and find out, along with the 20 candidates, who will be entering the house and battling it out to be the winner of BIG BROTHER: ALL-STARS.

BIG BROTHER: ALL-STARS is executive produced by Academy Award and Emmy Award winner Arnold Shapiro, Emmy Award winner Allison Grodner and Rich Meehan, in association with Endemol U.S.A.