Cast
Choi Ji-suLee Seo Yeon
Choi Ji-su was 23 in 300 Year Old Class Of 2020 - Season 1 - Episode 6 (Episode 6). Birthday: Mon, Aug 25 1997
Steve Sanghyun NohJeon Kang Woon
Steve Sanghyun Noh was 30 in 300 Year Old Class Of 2020 - Season 1 - Episode 6 (Episode 6). Birthday: Thu, Jul 19 1990
Han Se-jinKim Shin Jae
Han Se-jin was 24 in 300 Year Old Class Of 2020 - Season 1 - Episode 6 (Episode 6). Birthday: Wed, Apr 03 1996
Go Jae-hyunHeo Chang
Go Jae-hyun was 26 in 300 Year Old Class Of 2020 - Season 1 - Episode 6 (Episode 6). Birthday: Tue, Nov 22 1994
Choi Ji-su
Steve Sanghyun Noh
Han Se-jin
Go Jae-hyun