It's Okay to Not Be Okay (2020) Cast & Character Guide — No Spoilers | Who's That?
Who plays who in It's Okay to Not Be Okay (2020)? Browse a spoiler-free character guide with photos of every major character and the actors behind them, including Kim Soo-hyun, Seo Yea-ji, Oh Jung-se.
- Moon Gang-tae — played by Kim Soo-hyun
- Ko Moon-young — played by Seo Yea-ji
- Moon Sang-tae — played by Oh Jung-se
- Nam Joo-ri — played by Park Gyu-young
- Lee Sang-in — played by Kim Ju-hun
- Park Haeng-ja — played by Jang Young-nam
- Jo Jae-soo — played by Kang Ki-doong
- Oh Ji-wang — played by Kim Chang-wan
- Yoo Seung-jae — played by Park Jin-joo
- Sun-byeol — played by Jang Gyu-ri
- Kang Soon-duk — played by Kim Mi-kyeong
- Ko Dae-hwan — played by Lee Eol
- Kan Pil-wong — played by Kim Ki-cheon
- Young Moon Sang-tae — played by Lee Kyu-sung
- Oh Cha-yong — played by Choi Woo-sung
- Joo Jung-tae — played by Jeong Jae-kwang
- Lee A-reum — played by Chi Hae-won
- Yoo Sun-hae — played by Joo In-young
- Kang Eun-ja — played by Bae Hae-seon
- Young Ko Moon-young — played by Kim Su-in