Yeonu's Summer

Han Ye-ri

as

Lee Yeon-Woo

Lim Se-mi

as

Yoon Ji-Wan

Han Joo-wan

as

Kim Yoon-Hwan

Hwang Jeong-min

as

Hwang Na-Mi

Jeong In-gi

as

Lee Moo-Woong

Kim Hye-ok

as

Park Soon-Im

Kim Yeong-ok

as

grandmother

Jung Soo-Young

as

Lee Ji-Young