Date of birth: May 2, 1995
Associated group: BTOB
Education: Dongshin University
Debut: Through BTOB in 2012


Yook Sung-jae is a member of the idol group BTOB. Though he is well-known for his role in the group, he rose to fame through his many acting gigs as well as his run on the popular variety show "We Got Married". Yook was "married" to Red Velvet's Joy on the show, and the two became one of the more popular couples that went through the program.

Yook debuted as an actor in 2014, landing a role in the drama "Plus Nine Boys". He continued to act in a variety of dramas like "Who Are You: School 2015", "The Village: Achiara's Secret", and "Guardian: The Lonely and Great God" (aka "Goblin").

Some other notable variety shows he participated on were "Real Men" and "King of Masked Singer".


-Curious (with Oh Seung-hee)
(soundtrack single for drama "Plus Nine Boys", September 25, 2014)

-A Cube For Season, Blue Season 2 (with Kim Nam-ju) (single, June 2, 2015): Photograph
-Love Song (feat. Park Hye-su)
(soundtrack single for "Who Are You-School 2015", June 16, 2015)

-Loving you Again (soundtrack single for "Scholar Who Walks the Night", July 30, 2015)
-Playing With Fire (with NC.A) (single, December 26, 2016)