'Master Key' reveals the third cast including EXID's Hani, Block B's P.O., Seventeen's Mingyu, and more

The show is receiving a lot of attention even before its premiere. Previously, the show revealed the guest lineups for the first episode and second episode. Now, 'Master Key' made a post via Instagram featuring the third lineup.

Along with a photo, it was captioned, "SBS new game show 'Master Key' third round of player voting starts now! Please check out our homepage for more detailed info after reviewing the 12 players," and encouraged viewers to vote for their favorite participants.

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The show involves cast members participating in psychological games to decipher which members hold the 'Master Key'. The key is given to different members of the cast by viewer votes, and each cast member becomes the equivalent of a game character in the game of 'Master Key'. 

The official lineup of the third episode featured EXID's Hani, B1A4's CNU, Block B's P.O., Seventeen's Mingyu, Lee Elijah, FT Island's Hongki, 2PM's Chansung, Super Junior's Eunhyuk, Henry, and more.

The first episode of 'Master Key' with the first lineup will be airing on October 14. 

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A post shared by SBS ???? (@sbs_masterkey) on Oct 7, 2017 at 10:08pm PDT