K-Drama 
Sung Dae Hyun
- Name: Sung Dae Hyun
- Native name: 성대현
- Also Known as: Sung Daehyun, Sung Jung Shik, Sung Jungshik, Sung Jeongsik, Seong Dae Hyeon, Seong Daehyeon, Seong Jeong Sik, Seong Jeongsik, 성정식
- Nationality: South Korean
- Gender: Male
- Born: May 16, 1973
- Age: 53
Before debuting, he worked as a disc jockey (DJ) since 1992. He made his debut in 1995 as the group's vocalist, rapper, and maknae with their first album, "Love Effect".
In 1998, the group moved away from rave music and began to produce hip-hop music. However, they decided to disband in 1999.
He debuted as a soloist in 2000 with his self-produced and self-titled album and also worked as a choreographer.
R.EF briefly came together in 2004 to release the single "Love is Hard" and had plans to produce an album but, that never happened. While the trio has not officially disbanded, they are on an indefinite hiatus.
(Source: kisskh) Edit Biography
TV Show
| Title | Rating |
|---|---|
Gag Concert Season 2
Korean TV Show, 2023, 150 eps
(Ep. 1101)
(Guest)
|
0.0
|
Best Friend Documentary: Table for 4
Korean TV Show, 2023, 118 eps
(Ep. 103)
(Guest)
|
0.0
|
20th Century Hit Song
Korean TV Show, 2020, 250 eps
(Ep. 10)
(Guest)
|
8.5
|
Video Star Season 2
Korean TV Show, 2018, 179 eps
(Ep. 102)
(Guest)
|
7.3
|
Shadow Singer
Korean TV Show, 2017, 19 eps
(Ep. 6-7)
(Guest)
|
7.6
|
King of Mask Singer
Korean TV Show, 2015, 525 eps
[Contestant] (Ep. 454)
(Guest)
|
8.0
|
Immortal Songs: Singing the Legend
Korean TV Show, 2011, 800 eps
(Ep. 767-768)
(Guest)
|
8.2
|
Radio Star
Korean TV Show, 2007, 1050 eps
(Ep. 53-55, 398)
(Guest)
|
7.6
|
Trending Articles
Yim Si Wan & Seorina star in ‘Love in Disguise’, a K-Drama Where a Crossdressing Detective Goes Undercover as Her Rich Murder Suspect's Bodyguard!
Editorials - Oct 19, 2026
Prime Video's 'Love in Disguise' follows detective Kang Jae-hee as she disguises herself as a male bodyguard to investigate a wealthy heir in a murder case!
'Where the Mask Ends': 5 reasons to get obsessed with Tian Xi Wei's new Chinese drama
Editorials - Oct 22, 2026
From its morally complex female characters to its striking visual aesthetics, the C-drama offers plenty to savor beyond its twists and turns. Here are five reasons why 'Where the Mask Ends' deserves a spot on your watchlist
Tian Xi Wei's 'Where the Mask Ends' surpasses 10,000 in popularity index on Youku, trends on Netflix
News - Oct 19, 2026
On October 18, just 48 hours after its premiere, the costume drama 'Where the Mask Ends' surpassed 10,000 in popularity index on Youku, becoming the fastest drama to reach the milestone this year
Lee Jung Jae and Mun Ka Young to possibly co-star in new K-movie
K-Drama - Oct 23, 2026
Lee Jung Jae joins Mun Ka Young in talks to star in director Choi Dong Hoon's upcoming film 'Sparrow'
'Doctor X' makes history, '100 Days of Deception' goes steady, 'Final Table' premieres
News - Oct 25, 2026
'Doctor X' hits a new ratings milestone and tops Netflix’s global non-English TV chart, while '100 Days of Deception' sees a dip, 'Final Table' premieres, and 'A Love Other Than Yours' remains at its lowest rating
Lee Jin Wook confirmed as Lim Yoon A's co-star in Korean remake of J-drama 'Unnatural'
News - Oct 22, 2026
Lee Jin Wook has been confirmed to star alongside Lim Yoon A in 'Unnatural'
Kim Soo Hyun's agency seeks to close the chapter on late Kim Sae Ron controversy
News - Oct 14, 2026
Actor Kim Soo Hyun and his agency have announced plans to take action against malicious online comments, which arose after his controversy concerning late actress Kim Sae Ron
Go Youn Jung shares her thoughts on returning for 'Moving 2'
Celebrity - Oct 22, 2026
Fashion magazine Harper's BAZAAR Korea has unveiled its November issue featuring actress Go Youn Jung
