18 Again
18 어게인
- Ended
- 2020
- 16 episodes
- 70 min per episode
- Drama
- Comedy
- Sci-Fi & Fantasy
- JTBC
Where to watch 18 Again in the US
18 Again isn't currently available on any subscription platform in the US.
Availability updated November 3, 2026.
18 Again plot
At a difficult place in his marriage and career, a middle-aged man gets a shot at a do-over when he's transformed back into his 18-year-old body.
18 Again cast
Lee Do-hyunHong Dae-young / Go Woo-young
Kim Ha-neulJung Da-jung
Yoon Sang-hyunHong Dae-young (37 years old)
Roh Jeong-euiHong Shi-ah
RyeounHong Shi-woo
Wi Ha-junYe Ji-hoon
Kim Kang-hyunGo Deok-jin
Lee Mi-doChoo Ae-rin
Han So-eunYoung Jung Da-jung
Choi Bo-minSeo Ji-ho
Hwang In-youpGoo Ja-sung
Kim Yoo-riOk Hae-in