Seong Jun Son

Castle J

  • Name: Castle J
  • Native name: 캐슬제이
  • Also Known as: Son Sung Joon, Son Seong Joon, 손성준
  • Nationality: South Korean
  • Gender: Male
  • Born: May 31, 1999
  • Age: 26
Son Seung Jun, known professionally as Castle J, is a South Korean singer, dancer, child actor and member of MCND (엠시엔디). He graduated from Anyang Arts High School and is on a leave-of-absence at Daekyung University.

He first appeared on TV in 2009 when he was interviewed as a child star in "VJ Special Forces" (VJ특공대) and one year later, he made his debut as a child actor in the 2010 KBS2 drama special "The Last Flashman" (마지막 후뢰시맨).

He made his singing debut in February 2020 as MCND's leader, main rapper and producer with their first EP, "Into the Ice Age". The group is managed by TOP Media (티오피미디어).

(Source: kisskh) Edit Biography
Drama
Year Title # Role Rating
2013 The Suspicious Housekeeper
Korean Drama, 2013, 20 eps
[Perpetrator of bullying] (Support Role)
20
[Perpetrator of bullying]
Support Role
7.7
2013 The Queen's Classroom
Korean Drama, 2013, 16 eps
Han Kook [Student] (Support Role)
16
Han Kook [Student]
Support Role
7.9
2012 A Wife’s Credentials
Korean Drama, 2012, 16 eps
Jo Jae Hoon (Support Role)
16
Jo Jae Hoon
Support Role
7.7
Movie
Year Title Role Rating
2015 Emperor's Holidays
Chinese Movie, 2015,
(Unknown)
Unknown
6.9
Special
Year Title # Role Rating
2010 Drama Special Season 1: Last Flashman
Korean Special, 2010, 1 eps
Dong Gun (Support Role)
1
Dong Gun
Support Role
6.8
TV Show
Year Title # Role Rating
2022 2022 Idol Star Athletics Championships Chuseok Special
Korean TV Show, 2022, 3 eps
(Regular Member)
3
Regular Member
7.7
2022 Midnight Idol Season 3
Korean TV Show, 2022, 50 eps
(Ep. 40) (Guest)
50
(Ep. 40)
Guest
7.7
2022 GEMCND Season 4
Korean TV Show, 2022, 9 eps
(Main Host)
9
Main Host
8.6
2022 Secret Airlines
Korean TV Show, 2022, 21 eps
(Ep. 5) (Guest)
21
(Ep. 5)
Guest
0.0
2022 Queendom Season 2
Korean TV Show, 2022, 10 eps
(Ep. 1-2) (Guest)
10
(Ep. 1-2)
Guest
7.6
2021 GEMCND Season 3
Korean TV Show, 2021, 8 eps
(Main Host)
8
Main Host
8.4
2021 Show Me the Money Season 10
Korean TV Show, 2021, 10 eps
[Contestant] (Regular Member)
10
[Contestant]
Regular Member
8.0
2021 Midnight Idol Season 2
Korean TV Show, 2021, 150 eps
(Ep. 8) (Guest)
150
(Ep. 8)
Guest
8.6
2021 GEMCND Season 2
Korean TV Show, 2021, 4 eps
(Main Host)
4
Main Host
8.3
2020 Idol League Season 3
Korean TV Show, 2020, 66 eps
(Ep. 17) (Guest)
66
(Ep. 17)
Guest
8.4
2020 MCND's Crazy School Season 3
Korean TV Show, 2020, 4 eps
(Main Host)
4
Main Host
8.6
2020 Idol Dabang Season 3
Korean TV Show, 2020, 10 eps
(Ep. 9) (Guest)
10
(Ep. 9)
Guest
7.2
2020 GEMCND
Korean TV Show, 2020, 5 eps
(Main Host)
5
Main Host
8.5
2020 MCND's Crazy School Season 2
Korean TV Show, 2020, 4 eps
(Main Host)
4
Main Host
8.6
2020 MCND's Crazy School
Korean TV Show, 2020, 4 eps
(Main Host)
4
Main Host
8.6
2020 Idol League Season 2
Korean TV Show, 2020, 23 eps
(Ep. 8) (Guest)
23
(Ep. 8)
Guest
7.7
2020 Let’s Play MCND
Korean TV Show, 2020, 18 eps
(Main Host)
18
Main Host
10.0
2019 Transonglation
Korean TV Show, 2019, 67 eps
(Ep. 25, 39) (Guest)
67
(Ep. 25, 39)
Guest
8.2
2019 Midnight Idol
Korean TV Show, 2019, 345 eps
(Ep. 143, 164, 258, 304) (Guest)
345
(Ep. 143, 164, 258, 304)
Guest
8.2
2019 5 Minutes to Six
Korean TV Show, 2019, 425 eps
(Ep. 356) (Guest)
425
(Ep. 356)
Guest
8.0
2013 After School Club
Korean TV Show, 2013, 675 eps
(Ep. 412, 454, 489, 533, 628) (Guest)
675
(Ep. 412, 454, 489, 533, 628)
Guest
7.8
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Castle J

Seong Jun Son
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Details

  • First Name: Seong Jun
  • Family Name: Son
  • Native name: 캐슬제이
  • Also Known as: Son Sung Joon, Son Seong Joon, 손성준
  • Nationality: South Korean
  • Gender: Male
  • Born: May 31, 1999
  • Age: 26

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