My First First Love - Production & Contact Info

Name	Episodes	Known for
Ji Soo Yoon Tae-oh Yoon Tae-oh See fewer	16	Strong Girl Bong-soon (2017)
Kang Tae-oh Choe Hun Choe Hun See fewer	16	KBS Drama Special (2010)
Jung Chae-yeon Han Song-i Han Song-i See fewer	16	I Am... (2017)
Jung Jinyoung Seo Do-hyeon Seo Do-hyeon See fewer	16	Love in the Moonlight (2016)
Choi Ri Oh Ga-rin / O Ga-rin Oh Ga-rin / O Ga-rin See fewer	16	Spirits' Homecoming (2016)
Halley Kim Han Song-i Han Song-i See fewer	16	Squid Game (2021)
Michelle Mao Oh Ga-rin Oh Ga-rin See fewer	16	A Big Bold Beautiful Journey (2025)
Hong Ji-yoon Se-Hyeon Se-Hyeon See fewer	16	Project Wolf Hunting (2022)
Andy Han Seo Do-Hyeon / Dohyun Seo Do-Hyeon / Dohyun See fewer	16	Crown Lake (2019)
Jeong Si-a Tae-oh's stepmother Tae-oh's stepmother See fewer	10	My Secret Terrius (2018)
Rich Ting Actor Actor See fewer	8	Tulsa King (2022)
Sanyee Yuan Actress Actress See fewer	8	Starfield (2023)
Brian Jung Tae-Ho Kang Tae-Ho Kang See fewer	8	Happyish (2015)
Jona Xiao Actress Actress See fewer	6	The Flash (2014)
Rina Hoshino Store Owner Store Owner See fewer	4	Pokémon: Detective Pikachu (2019)
Lynna Yee Ga'rin's Mother Ga'rin's Mother See fewer	4	Expats (2023)
Sun Park Art Student / Friend of Han Song-i / Mom Art Student / Friend of Han Song-i / Mom See fewer	3	9-1-1: Lone Star (2020)
Yoon Bok-in Song-i's mother Song-i's mother See fewer	1	Hello, Me! (2021)