Military
Enlists as a Navy noncommissioned officer
He enlisted as a Navy noncommissioned officer.
Source 02 · Namuwiki (Korean) · Yuk Jun-seo · opens in a new tab The time of enlistment is based on Namuwiki and was not confirmed in news reports.In 2014, the year he turned 18, he enlisted as a Navy noncommissioned officer, and in 2016 he completed UDT/SEAL training. In February 2019, he was discharged as a reserve sergeant from the Naval Special Warfare Flotilla. In 2020, he held an exhibition in Hapjeong, Seoul, and started a YouTube channel.
The breakthrough yearIn March 2021, the year he turned 25, he appeared on Channel A and SKY’s Steel Troops with the UDT team. UDT won on June 22, and in August he signed with IOK Company.
In 2022, he appeared in the short film Bulgeun Eolgul (Red Face) and was cast in Sweet Home season 2. On Sept. 25 he announced that he would stop his public activities. In December 2023, he appeared in Sweet Home season 2 as Bang Jin-ho, a member of the Crow Unit. In 2024, he went to the Lofoten Islands in the Arctic region for Gangcheol Jigu and appeared in Sweet Home season 3 in July. In December he held his first solo exhibition, Papyeon: Cranium.
In January 2025, he appeared in Netflix’s Single’s Inferno 4. In May he appeared on King of Mask Singer and Wavve’s One: High School Heroes, and in June on Knowing Bros.
In 2026, he appeared in JTBC’s The Practical Guide to Love, in Saengjonwang 2 in May, and in Disney+’s Sullae Game in September.
Yuk Jun-seo (born Apr 1, 1996) was discharged from the Naval Special Warfare Flotilla in February 2019, the year he turned 23, and became known on Mar 23, 2021, the year he turned 25, when he appeared on the first broadcast of Channel A and SKY’s Steel Troops with the UDT team. His first drama, Sweet Home season 2, was released in 2023, the year he turned 27.
Ages are by calendar year (the year minus the birth year), birthdays aside.