Yoo In-soo Joins Lee Jun-ho's Upcoming tvN Dragon Rom-Com 'Juhan Igukdaesagwan' in His First Role After Military Service
'All of Us Are Dead' actor Yoo In-soo has been confirmed for tvN's upcoming fantasy romantic comedy 'Juhan Igukdaesagwan', starring 2PM's Lee Jun-ho and Hong Hwa-yeon, his agency Management Koo said.

Yoo In-soo has picked his first project after the military. His agency Management Koo said on Nov. 13 (KST) that the actor has joined the new drama 'Juhan Igukdaesagwan' (roughly, 'the otherworldly embassy in Korea') as Do Ji-hyuk, according to Money Today's IZE and YTN Star. Ilgan Sports first reported the casting in October; this is the official confirmation.
The fantasy romantic comedy follows Go Mi-woo (Hong Hwa-yeon), a human rookie diplomat who is mistakenly posted to an embassy that manages the 'otherworldly' residents living in Korea, and its ambassador Cha Yeon (2PM's Lee Jun-ho), who turns out to be a dragon. tvN cast Lee and Hong as the leads in July, Yonhap reported, with 'Hometown Cha-Cha-Cha' writer Shin Ha-eun penning the script and 'Hierarchy' director Bae Hyun-jin directing. YTN Star reports the show is planned for 2027, with Kang Han-na and THE BOYZ's Juyeon also in the cast.
Yoo drew global attention as the bully Yoon Gwi-nam in Netflix's 'All of Us Are Dead' (2022) and went on to play Park Dang-gu in tvN's 'Alchemy of Souls' and its second part. He also appeared in JTBC's 'The Good Bad Mother' and tvN's 'The Uncanny Counter 2: Counter Punch'.
Confirmed
- Management Koo said on Nov. 13 (KST) that Yoo In-soo has confirmed his casting in the new drama 'Juhan Igukdaesagwan' as Do Ji-hyuk. It is his first project since completing his military service.
- The drama is a fantasy romantic comedy about a human rookie diplomat, Go Mi-woo (Hong Hwa-yeon), mistakenly posted to an embassy that manages otherworldly residents of Korea, and its ambassador Cha Yeon (Lee Jun-ho), who is secretly a dragon. It is slated for tvN.
Reported by other outlets
- YTN Star reported the series is planned to air in 2027 and that the lineup also includes Kang Han-na and THE BOYZ's Juyeon.
- Yonhap reported in July that tvN cast Lee Jun-ho and Hong Hwa-yeon as the leads, with a script by Shin Ha-eun ('Hometown Cha-Cha-Cha', 'Love Next Door') and direction by Bae Hyun-jin ('Hierarchy').
- Ilgan Sports first reported Yoo's casting on Oct. 20 (KST), describing Do Ji-hyuk as a narcissist with high aesthetic standards, and reported that Yoo was discharged from the Air Force band in August.
Sources
- Money Today / IZE: Yoo In-soo joins Lee Jun-ho's 'Juhan Igukdaesagwan' [Official] (Nov 13, 2026 KST)
- YTN Star: Yoo In-soo returns with 'Juhan Igukdaesagwan' (Nov 13, 2026 KST)
- Yonhap: Lee Jun-ho and Hong Hwa-yeon lead 'Juhan Igukdaesagwan' (Jul 23, 2026 KST)
- Ilgan Sports: Yoo In-soo joins 'Juhan Igukdaesagwan' (Oct 20, 2026 KST)
