The cast of "Big Brother" Season 27 has been revealed — with one "Mystery Player" set to make a surprise entrance.

Here are some of fans' best guesses for who might be the mystery houseguest of BB27: ...

The new season of "Big Brother" kicks off July 10, airing on CBS. Here's when new episodes air, and who the new group of ...

The Big Brother house is a notorious place where social isolation, constant surveillance and weekly strategy games play havoc ...

Season 27 premieres with a 90-minute episode Thursday, July 10, from 8:00-9:30 p.m. ET. In addition to hour-long episodes ...

The Big Brother Season 27 drama kicks off with a 90-minute premiere on Thursday, July 10, at 8 p.m. ET/PT on CBS. That ...

The houseguests of ‘Big Brother’s 27th season were unveiled shortly before the premiere! Get to know each of them and their ...

Big Brother Season 27 premieres July 10 on CBS with 16 new houseguests, a mystery twist, and live feeds on Paramount+ and Pluto TV. See full list of contestants ...

These 16 houseguests, plus a mysterious additional player, will be moving into the famous “Big Brother” house for a summer ...

It's time to meet the 16 strangers Big Brother fans will be watching all summer! CBS just dropped the season 27 cast – well, ...

The 16 new players entering the house on the 90-minute July 10 premiere include a professional bull rider, a dungeon master, ...

Get ready for a summer of secrets as 'Big Brother' Season 27 premieres on July 10th! This season, themed 'A Summer of Mystery,' promises unexpected twists with a masked visitor and a secret accomplice ...