Cha Woong-ki

Cha Woong-ki (Korean: 차웅기; born April 23, 2002) is a South Korean singer and actor. He is a member of the boy group AHOF, formed through the reality competition show Universe League (2024), where he finished in second place. Prior to his idol career, Cha was a child actor, making his debut in the TV Series The King and I (2007). In 2019, he debuted as a member of the K-pop group TO1 (Formerly TOO) that was formed through the survival show To Be World Klass before his departure in June 2022. He debuted under the name Woonggi. In 2023, he participated in Boys Planet, placing 20th overall as a result of his elimination in the 11th episode.

Cha Woong-ki
Cha in August 2025
Born	Cha Woong-ki (2002-04-23) April 23, 2002 (age 23) Seoul, South Korea
Occupations	Singer actor
Years active	2007–present
Musical career
Genres	K-pop
Years active	2020–present
Labels	F&F Entertainment
Member of	AHOF
Formerly of	TO1
Korean name
Hangul	차웅기
RR	Cha Unggi
MR	Ch'a Unggi
Stage name
Hangul	차재돌
RR	Cha Jaedol
MR	Ch'a Chaedol

Early life and education

Cha Woong-ki was born on April 23, 2002 in Gongneung-dong, Nowon District, Seoul, South Korea.^[1] In February 2021, he completed his studies at Hanlim Multi Arts School, where he majored in the Entertainment Department.^[2] In the same year, Cha enrolled in the Department of Acting Arts at Dong Seoul University.^[3][4]

Career

2007–2010: Acting debut

began his career as a child actor, appearing in various productions between 2007 and 2010, under the stage name Cha Jae-dol.^[4][5] He was well received for his roles as Crown Prince Munhyo in Lee San, Wind of the Palace, the young Lee Sun-woo in Cain and Abel, and Yoon Jung-won in Green Coach.^[6][7] In 2013, he took part in a stage adaptation of The Sound of Music, playing Kurt Von Trapp in performances held in Daegu and Busan.^[8]

2019–2022: To Be World Klass and TO1

Main article: TOO

Cha joined Mnet’s survival show To Be World Klass (also referred to as World Klass) as a contestant in 2019, using the name Woonggi.^[9] He secured a debut spot as one of the top ten finalists, ranking fourth overall.^[10] The group debuted under the name TOO (later rebranded as TO1) with the mini-album Reason for Being: 仁, released April 1, 2020.^[11]

On June 17, 2022, WakeOne Entertainment announced that Cha Woong-ki would leave TO1, along with two other members Minsu and Jerome.^[12]

2023: Boys Planet and ties with WakeOne

Cha then was represented on the Mnet competition Boys Planet, where he ranked 20th overall. On June 22, 2023, he officially parted ways with WakeOne.^[13]

2024–Present: Return to acting, Universe League, and AHOF

Main articles: Universe League and AHOF

Cha Woong-ki has then made a return to acting. He was announced as part of the cast for the Boys' Love (BL) web drama titled Love for Love’s Sake. The series aired from January 24 to February 14, 2024.^[14]

In October 2024, Cha was announced as one of the 42 contestants on SBS’s Universe League audition program. The show formed three teams: Team Rhythm, Team Groove, and Team Beat. He was drafted by the mentors of Team Beat, which he went on to represent throughout the competition. During the final phase of the competition in January 2025, Team Rhythm won the group battle, resulting in the elimination of Team Groove and Team Beat. Despite this, Cha ranked first among Team Beat members and placed second overall in the show. As a result, he debuted as a member of the boy group AHOF under F&F Entertainment.^[15] The group officially debuted on July 1, 2025, with the release of their first album Who We Are.^[16]

Public image

COVID-19 conduct and public response

In early 2021, Cha Woong-ki received attention online for expressing concern in a university group chat regarding a large gathering of incoming freshmen during a period of COVID-19 restrictions in South Korea. Identifying himself by name and academic department, he criticized the decision to hold an in-person drinking party involving over 20 students, citing health and safety concerns. His comments were met with ridicule from some participants, and he subsequently left the chat. The conversation was later circulated on student community forums, where it was revealed that Cha was a member of the boy group TOO. The incident drew widespread online support, with many internet users commending his stance as responsible and principled. His actions were highlighted in media coverage as an example of socially conscious behavior among public figures.^[4][17]

Discography

For Cha's works with TO1 and AHOF, see TO1 § Discography, and AHOF § Discography.

Soundtrack appearances

TItle	Year	Album
Love for Love’s Sake OST part.1 (with 승현)	2024	Love for Love’s Sake OST part.1

Songwriting credits

TItle	Year	Artist	Lyricist?	Composer?	Album	References
그곳에서 다시 만나기로 해 (Rendezvous)	2025	AHOF	Yes	No	Who We Are	[18]

Filmography

See also: TO1 § Filmography

TV series

Year	Title	Role	Notes	Ref.
2007	Golden Bride		Credited as Cha Jae-dol	[17]
2007	Daughters-in-Law		Credited as Cha Jae-dol	[19]
2007	The King and I		Credited as Cha Jae-dol	[17]
2007	Lee San, Wind of the Palace	Crown Prince Munhyo	Credited as Cha Jae-dol	[20]
2008	Strongest Chil Woo	Han Do-yeong	Credited as Cha Jae-dol	[21]
2008	On Air		Credited as Cha Jae-dol	[19]
2009	Empress Cheonchu	young Gyeongjong of Goryeo	Credited as Cha Jae-dol	[17]
2009	The Road Home		Credited as Cha Jae-dol
2009	Cain and Abel		Credited as Cha Jae-dol	[7]
2009	Green Coach		Credited as Cha Jae-dol	[7]
2010	Jejungwon	young Hwang Jung	Credited as Cha Jae-dol	[17]
2010	Definitely Neighbors	Song Jun-seo	Credited as Cha Jae-dol	[22]

Web series

Year	Title	Role	Notes	Reference
2024	Love for Love's Sake	Ahn Kyung-hoon	Supporting role	[14]

TV shows

Year	Title	Role	Notes	Reference
2019	To Be World Klass	Contestant	Finished 4th and debuted as member of TO1	[10]
2023	Boys Planet	Contestant	Finished 20th (Eliminated)	[13]
2023	King of Mask Singer	Contestant		[23]
2024	Universe League	Contestant	Finished 2nd and debuted as member of AHOF	[1]

Music video appearances

Year	Title	Artist	Notes	Reference
2024	Our Season(우리의 계절)	iaaa(이아)		[24]