The World of Us: Reparto
최수인
Seon
Seol Hye-in
Ji-ah
Lee Seo-yeon
Bora
Kang Min-joon
Yoon
Kim Hee-joon
Eun-joo
Kim Chae-yeon
Tae-yeon
Jang Hye-jin
Seon's Mother
Son Seok-bae
Seon's Father
Ri Woo-jin
Stationary Store Man
Kim Young-mi
School Teacher
Choi Joon-woo
Min-cheol
Choi Chan-sook
Ji-ah's Grandmother