'Big Brother' Season 21: Meet the 16 New Houseguests (PHOTOS)

Meredith Jacobs

Ready to meet the 16 new houseguests moving into the Big Brother house for Season 21?

CBS announced the new cast for the reality hit Monday. A wine safari guide, a preschool aide, a Broadway performer, a petroleum engineer, and a therapist are among those competing for $500,000.

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Find out when CBS' returning favorites and new series will premiere in September and October.

The new season, hosted by Julie Chen Moonves, will once again have three weekly episodes and premieres Tuesday, June 25, and Wednesday, June 26, followed by an episode on Sunday, June 30, at 8/7c. It moves to Wednesdays and Thursdays at 9/8c, with Sunday's broadcast remaining at 8/7c, beginning on Wednesday, July 10. The first live eviction will air on Wednesday, July 3.

Click through the gallery above to meet all of the new houseguests.

Big Brother, Season 21 Premiere, Tuesday, June 25, and Wednesday, June 26, 8/7c, CBS