Kim Jooheon, Ok Jayeon and Kwak Dongyeon reportedly will join the cast of tvN's drama 'Big Mouth'.

 The main cast of "Big Mouth" has all been decided. The first shooting is just around the corner.

According to drama officials, Lee Jongsuk, Yoona, Kim Jooheon, Ok Jayeon, Kwak Dongyeon, and Yang Kyungwon all appear on tvN's "Big Mouth."

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Netizens comments :

- Wow the line up. 

- Heol I like Kwak Dongyeon. 

- Whoa I like Big Mouth line up. 

- Wow this is... I will believe and watch ㅋㅋㅋ

- Wow all of them my favorite actors. 

-Heol Yoona OK Jayeon my love. 

- Heol the line up the best.