Son Seong Jun

Name: Son Seong Jun
Native name: 손성준
Also Known as: Castle J, Son Sung Joon, Son Seong Joon
Nationality: South Korean
Gender: Male
Born: May 31, 1999
Age: 24

Son Seong Jun, now better known by his stage name Castle J, is a child actor and CF model who debuted in 2009. He became a trainee under TOP Media in 2015 and was part of the trainee boy dance group TOP Bro jr, competing in Feedback Competition Youth 2017 (2nd Place) and World of Dance Season 1 (Las Vegas crowd favorite). He subsequently debuted in 2020 as the leader and main rapper of the boy group MCND (Music Creates New Dream). Edit Biography

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	7.8

Year	Title	Role	Rating
2015	Emperor's Holidays Chinese Movie, 2015, (Unknown)	Unknown	7.0

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

Year	Title	#	Role	Rating
2022	2022 Idol Star Athletics Championships Chuseok Special Korean TV Show, 2022, 3 eps (Regular Member)	3	Regular Member	7.9
2022	Midnight Idol Season 3 Korean TV Show, 2022, 50 eps (Ep. 40) (Guest)	50	(Ep. 40) Guest	0.0
2022	GEMCND Season 4 Korean TV Show, 2022, 9 eps (Regular Member)	9	Regular Member	8.9
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	7.7
2021	GEMCND Season 3 Korean TV Show, 2021, 8 eps (Regular Member)	8	Regular Member	8.7
2021	Show Me the Money Season 10 Korean TV Show, 2021, 10 eps [Contestant] (Regular Member)	10	[Contestant] Regular Member	8.1
2021	Midnight Idol Season 2 Korean TV Show, 2021, 150 eps (Ep. 8) (Guest)	150	(Ep. 8) Guest	8.7
2021	GEMCND Season 2 Korean TV Show, 2021, 4 eps (Main Host)	4	Main Host	8.5
2020	Idol League Season 3 Korean TV Show, 2020, 66 eps (Ep. 17) (Guest)	66	(Ep. 17) Guest	8.5
2020	MCND's Crazy School 3 Korean TV Show, 2020, 4 eps (Main Host)	4	Main Host	8.7
2020	Idol Dabang Season 3 Korean TV Show, 2020, 10 eps (Ep. 9) (Guest)	10	(Ep. 9) Guest	7.3
2020	GEMCND Season 1 Korean TV Show, 2020, 5 eps (Main Host)	5	Main Host	8.7
2020	MCND's Crazy School 2 Korean TV Show, 2020, 4 eps (Main Host)	4	Main Host	8.8
2020	MCND's Crazy School Korean TV Show, 2020, 4 eps (Main Host)	4	Main Host	8.8
2020	Idol League Season 2 Korean TV Show, 2020, 23 eps (Ep. 8) (Guest)	23	(Ep. 8) Guest	8.1
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	8.4
2019	Midnight Idol Season 1 Korean TV Show, 2019, 345 eps (Ep. 143, 164, 258, 304) (Guest)	345	(Ep. 143, 164, 258, 304) Guest	8.3
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) (Guest)	675	(Ep. 412, 454, 489, 533) Guest	8.1