The Silent, Ever-Present Fool

Park Bo-young

Yoo Mi-ji / Yoo Mi-rae

Jinyoung

Lee Ho-su

Ryu Kyung-soo

Han Se-jin

Jang Young-nam

Kim Ok-hee

Kim Sun-young

Yeom Bun-hong

Won Mi-kyung

Kim Ro-sa

Cha Mi-kyeong

Kang Wol-oon

Lim Cheol-soo

Lee Choong-gu

Lee Jae-in

Teen Yoo Mi-ji / Yoo Mi-rae

Park Yoon-ho

Teen Lee Ho-su

Jang Se-hyuk

Choi Seung-hyeon

Moon Dong-hyeok

Song Kyeong-gu

Yoo Yu-jin

Park Ji-yun

Hong Seong-won

Kim Tae-i

Jung Seung-kil

Choi Tae-gwan

Chae Song-hwa

Su Yeong

Jung Chan-hoon

Director Yun

Park Ga-young

[Bus ticket agent]

Yang Jae-seong

[Se Jin's granddad]

Jung Ji-woo

[Nursing home clerk]

Kim Gye-rim

Eun Su [High school alumna]