Jeong In Seong
- Name: Jeong In Seong
- Native name: 정인성
- Also Known as: JungSung, Jung In Sung
- Nationality: South Korean
- Gender: Male
- Born: July 1, 1994
- Age: 29
He made his debut in 2016 as the group's main vocalist with a debut showcase and the release of their 1st single, "Knock". In 2017, all group members at the time entered the singing survival competition "MIX NINE" and he ranked 26th overall but had to leave before the show ended to continue with the group's promotions in Japan. A year later, it was announced that KNK and YNB Entertainment ended their contract and that the members were planning on continuing the group with another agency.
In early 2019, they signed with 220 Entertainment and had several tours in the US and in Europe. In 2020, they released their 3rd EP "KNK Airline" and afterwards, lineup changes and mandatory military enlistments have caused the group to nearly stop promoting for the time being. He debuted as an actor with a minor role in "20th Century Boy and Girl" in 2017 and had the lead role in the musical "All Eyes On Me".
He enlisted in his mandatory military service on February 8, 2022 and was discharged on August 7, 2023.
(Source: Korean = NamuWiki || Translation = MyDramaList) Edit Biography
Drama
Title | Rating |
---|---|
Dali and the Cocky Prince
Korean Drama, 2021, 16 eps
Himself [KNK member] (Ep. 7)
(Guest Role)
|
8.4
|
20th Century Boy and Girl
Korean Drama, 2017, 32 eps
[Boys Be Ambitious idol group member]
(Guest Role)
|
7.8
|
TV Show
Title | Rating |
---|---|
Build Up: Vocal Boy Group Survivor
Korean TV Show, 2024, 10 eps
[Contestant]
(Regular Member)
|
7.9
|
Question Mark
Korean TV Show, 2020, 143 eps
(Ep. 34)
(Guest)
|
0.0
|
Good Friends
Korean TV Show, 2019, 20 eps
(Ep. 9-10)
(Guest)
|
6.0
|
Q&A Machine
Korean TV Show, 2019, 34 eps
(Ep. 5)
(Guest)
|
7.5
|
Player 7
Korean TV Show, 2019, 21 eps
(Ep. 18)
(Guest)
|
8.1
|
Idol Lunch Box
Korean TV Show, 2019, 10 eps
(Ep. 8)
(Guest)
|
0.0
|
Aja Aja Tayo! Season 2
Filipino TV Show, 2019, 12 eps
(Ep. 11-12)
(Guest)
|
10.0
|
2018 Idol Star Athletics Championships
Korean TV Show, 2018, 4 eps
(Regular Member)
|
8.0
|
MIXNINE
Korean TV Show, 2017, 14 eps
[Contestant]
(Regular Member)
|
7.1
|
My KNK TV Season 2
Korean TV Show, 2017, 34 eps
(Main Host)
|
9.5
|
Fantastic Duo Season 2
Korean TV Show, 2017, 36 eps
(Ep. 29-30)
(Guest)
|
8.2
|
K-RUSH Season 1
Korean TV Show, 2017, 20 eps
(Ep. 9-10)
(Guest)
|
8.1
|
2016 SBS Gayo Daejeon
Korean TV Show, 2016, 1 eps
[Performer]
(Regular Member)
|
7.7
|
Hitmaker Season 3
Korean TV Show, 2016, 6 eps
(Guest)
|
7.8
|
Fact iN Star Season 1
Korean TV Show, 2016, 200 eps
(Ep. 9, 40)
(Guest)
|
8.3
|
The Immigration
Korean TV Show, 2016, 13 eps
(Guest)
|
8.1
|
Duet Song Festival Season 1
Korean TV Show, 2016, 47 eps
[Panelist] (Ep. 12) | [Performer] (Ep. 22)
(Guest)
|
8.4
|
My KNK TV Season 1
Korean TV Show, 2015, 70 eps
(Main Host)
|
8.9
|
King of Mask Singer
Korean TV Show, 2015, 485 eps
[Contestant] (Ep. 215) | [Panelist] (Ep. 281-282)
(Guest)
|
8.2
|
Cheongdamdong 111
Korean TV Show, 2013, 8 eps
(Regular Member)
|
7.5
|
After School Club
Korean TV Show, 2013, 675 eps
(Ep. 210, 241, 266, 351, 378)
(Guest)
|
8.1
|
Weekly Idol
Korean TV Show, 2011, 700 eps
(Ep. 256, 296)
(Guest)
|
8.2
|
Immortal Songs: Singing the Legend
Korean TV Show, 2011, 690 eps
(Ep. 294)
(Guest)
|
8.3
|
Hello Counselor Season 1
Korean TV Show, 2010, 431 eps
(Ep. 285)
(Guest)
|
8.0
|
Running Man
Korean TV Show, 2010, 740 eps
(Ep. 319)
(Guest)
|
9.2
|
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