Hongseok

Yang Hong-seok (; born April 17, 1994), better known by the mononym Hongseok, is a South Korean singer and actor. He debuted as a vocalist of the group boy band Pentagon in October 2016. Aside from group activities as singer, he has debuted as an actor in the Korean movie, The Love That's Left.

Early life and education Hongseok was born on April 17, 1994, in Seoul, South Korea. He has an older brother named Jun-seok. He studied abroad in the United States, China, and Singapore and has lived outside of South Korea for a total of 11 years. From 2007 to 2010, he was a student at Hwa Chong International School in Singapore, where he was the school's top swimmer.

Career

Pre-debut In 2014, Hongseok joined YG Entertainment and participated in the reality survival program Mix & Match as a member of TEAM B. He was eliminated in final episode alongside Jung Jin-hyeong, failing to debut as a member of iKON. In March 2015, it was revealed that he left YG Entertainment.

In July 2015, he joined Cube Entertainment. In February 2016, he modeled alongside Hyuna for the fashion brand Clride.n.

2016–present: Debut with Pentagon and solo activities

In late 2016, he participated in the Mnet reality survival show Pentagon Maker, ultimately making it to the final lineup of Pentagon. He officially debuted with Pentagon on October 10, 2016, with the song "Gorilla" from their self-titled EP.

In November 2017, Hongseok made his acting debut in the movie .

In July 2018, Hongseok joined the cast of Visiting Tutor, a variety program where celebrities seek out a student and become their tutor. He held Chinese lessons for his student. The show ran from August to October. In September, he was cast in the variety program Real Man 300, which featured celebrities experiencing life in the military.

In January 2019, he co-starred in the television drama Best Chicken as Bae Ki-Bum, a likeable troublemaker. Later that month he was cast in the reality-documentary show Law of the Jungle in Myanmar. In August, he was a contestant on King of Mask Singer, where he performed a cover of Huh Gak's "Hello". He made his second appearance on the cover of Men's Health Korea for the December 2020 issue.

From January to March 2021, Hongseok starred as the supporting character Shin A-jun in the SBS drama Phoenix 2020. He portrayed a police officer in the Netflix series Move to Heaven, released on May 14. Hongseok played the lead in the web series Blue Birthday, which was released in the summer of 2021. Later that month, he signed with acting agency Andmarq. On May 17, 2024, Hongseok was featured in Sorn's single, titled "Crazy Stupid Lovers." In September, he starred in the short-form drama Shall We Get Married? for Sereal+.

In March 2026, Hongseok appeared as an idol in the Netflix drama Boyfriend on Demand. He will star in the vertical short-form series K-Younger Man Alert. The series, a Korea-Japan co-produced romance drama, will premiere in late March.

Personal life Hongseok can speak three languages: Korean, Chinese, and English.

Military service On April 1, 2022, the agency announced that Hongseok would be enlisting for his mandatory military service as an active duty soldier on May 3. On December 26, 2022, it was confirmed by the agency that Hongseok would be discharged from military service early and assigned wartime labor service due to depression and panic disorder with public phobia.

Philanthropy Hongseok participated in the world's biggest Ice Bucket Challenge, 2019 Miracle365 x Ice Bucket Challenge Run on June 29, 2019, in Dongjak District, Seoul. The event was organized by Seungil Hope Foundation to raise awareness about ALS. The event raised 42 million won, and all proceeds went to build the first Lou Gehrig's Nursing Hospital in South Korea. The event started with a 3 km, 5 km, 7 km and 8 km group marathon with 1,130 participants who broke a total of 918 challenges the previous year.

Discography

Writing and production credits All credits are adapted from the Korea Music Copyright Association, unless stated otherwise.

YearArtistSongAlbumLyricsMusicCreditedWithCreditedWith 2016 Pentagon "Find Me"

2019 "Round 1" (Bonus track) Genie:us

"Round 2" (Bonus track) Sum(me:r)

Filmography

Film Year Title Role Notes 2017 Kim Woo-joo 2022 Blue Birthday Ji Seo-jun New edited version and add never-before-seen scenes

Television series

Television shows Year Title Role Notes 2014 Mix and Match Eliminated 2017 Tour Avatar Cast Episode 5–6 with Jinho Weekly Idol Masked Idol ep 297, 305, 307, 310, 321 Idol Tour Participant Episode 6 with Hui Fantastic Duo Panelist ep 29–30 2018 Hitman Participant Filmed in Vietnam Just Happened Panelist Visiting Tutor Cast Member Mandarin language Real Man 300 Cast Member Filmed in the Korea Army Academy 2019 Battle Trip Contestant ep 143–144 Law of the Jungle in Myanmar Cast Member 2020 Idol Cooking Class Cast with Hui, Shinwon and Kino

Hosting Year Title Role Notes 2018 Simply K-pop Special MC from 26 February–10 May

Awards and nominations