Sung Tae Byun

Byun Sung Tae

  • Name: Byun Sung Tae
  • Native name: 변성태
  • Also Known as: Byun Sungtae, Byun Seongtae, Byeon Seongtae, Byeon Seong Tae, 성태
  • Nationality: South Korean
  • Gender: Male
  • Born: March 9, 1998
  • Age: 27
Byun Sung Tae, known simply as Sungtae, is a South Korean actor and singer. He graduated from Jinwang High School. In 2017, he participated in "MIXNINE" under ASTORY Entertainment but was eliminated in the preliminary audition and did not make the broadcast. That same year, he featured in the MV of Iris's song "Me Too".

In 2019, he entered "Produce X 101" now under Urban Works Entertainment but he was eliminated in the 1st round and placed 66th overall. He made his debut in 2020 with a role in the webdrama "Do You Have a Part-Time Job?". He got support roles in "I Can See your MBTI" and in "Hometown Cha-Cha-Cha" in 2021, with the latter role getting him noticed by the audience. He earned a lead role in the BL drama "Happy Merry Ending" in 2023. He is currently represented by DSP Media.

(Source: Korean = NamuWiki || Translation = kisskh) Edit Biography
Drama
Year Title # Role Rating
2025 Where’s My Hero?
Korean Drama, 2025, 6 eps
Na Mu Il (Support Role)
6
Na Mu Il
Support Role
6.8
2024 Jazz for Two
Korean Drama, 2024, 8 eps
Han Tae Jun [Tae I's brother] (Support Role)
8
Han Tae Jun [Tae I's brother]
Support Role
7.8
2024 Nothing Uncovered
Korean Drama, 2024, 16 eps
Seol Woo Jae [Teen] (Guest Role)
16
Seol Woo Jae [Teen]
Guest Role
7.3
2023 Tell Me That You Love Me
Korean Drama, 2023, 16 eps
Eden (Ep. 3) (Guest Role)
16
Eden (Ep. 3)
Guest Role
8.4
2023 Mokojji Kitchen 2023
Korean Drama, 2023, 5 eps
Daeryeong Suksu / Eun U (Main Role)
5
Daeryeong Suksu / Eun U
Main Role
0.0
2023 Happy Merry Ending
Korean Drama, 2023, 8 eps
Song Jae Hyeon (Main Role)
8
Main Role
7.1
2021 Hometown Cha-Cha-Cha
Korean Drama, 2021, 16 eps
Jun ['DOS' member] (Support Role)
16
Jun ['DOS' member]
Support Role
8.7
2021 Nevertheless,
Korean Drama, 2021, 10 eps
(Guest Role)
10
Guest Role
7.4
2021 I Can See Your MBTI
Korean Drama, 2021, 2 eps
Park Woo Jin [Class president] (Support Role)
2
Park Woo Jin [Class president]
Support Role
6.6
Movie
Year Title Role Rating
2023 Happy Merry Ending (Movie)
Korean Movie, 2023,
Song Jae Hyun (Main Role)
Song Jae Hyun
Main Role
7.6
TV Show
Year Title # Role Rating
2019 Produce X 101
Korean TV Show, 2019, 12 eps
[Contestant] (Regular Member)
12
[Contestant]
Regular Member
8.2
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News - Sep 15, 2025

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News - Sep 18, 2025

Positively Yours has released its official stance regarding Yun Ji On stepping down from the upcoming K-drama.

Chinese actor Xu Kai denies gambling allegations in formal statement
News - Sep 8, 2025

Full statement and details inside

'Reply 1988' casts confirmed to reunite next month!
News - Sep 16, 2025

The Reply 1988 reunion is finally confirmed.

'Positively Yours' removes Yun Ji On from the cast following his arrest for drunk driving
News - Sep 17, 2025

Yun Ji On, who became more known after Love Next Door, was caught driving under the influence (DUI).

Cheng Yi's martial arts Chinese drama 'The Journey of Legend' announces premiere date
News - Sep 9, 2025

The highly anticipated wuxia drama 'The Journey of Legend' is premiering soon

Byun Sung Tae

Sung Tae Byun
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Details

  • First Name: Sung Tae
  • Family Name: Byun
  • Native name: 변성태
  • Also Known as: Byun Sungtae, Byun Seongtae, Byeon Seongtae, Byeon Seong Tae, 성태
  • Nationality: South Korean
  • Gender: Male
  • Born: March 9, 1998
  • Age: 27

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