Seo Young-hee

as Bok-nam

Ji Sung-won

as Hae-won

Park Jeong-hak

as Man-jong

Baek Su-ryeon

as Grandma Dong-ho

Kim Gyung-ae

as Grandma Pa-ju

Son Young-soon

as Grandma Soon-yi

Yoo Soon-chul

as Grandpa with Dementia

Bae Sung-woo

as Cheol-jong