Riven

Park Bo-young

as Yoo Mi-ji / Yoo Mi-rae

Jinyoung

as Lee Ho-su

Ryu Kyung-soo

as Han Se-jin

Jang Young-nam

as Kim Ok-hee

Kim Sun-young

as Yeom Bun-hong

Cha Mi-kyeong

as Kang Wol-oon

Won Mi-kyung

as Kim Ro-sa

Lim Cheol-soo

as Lee Choong-gu

Lee Jae-in

as Teen Yoo Mi-ji / Yoo Mi-rae

Park Yoon-ho

as Teen Lee Ho-su

Yoo Yu-jin

as Park Ji-yun

Moon Dong-hyeok

as Song Kyeong-gu

Jung Seung-kil

as Choi Tae-gwan

Jung Eun-pyo

as Cho Myeong-gap

Lee Si-hoon

as Shin Kyeong-min

Shim So-young

as Lee Hyo-kyung

Yang Dae-hyeok

as Hwang Yun-ho

Hong Seong-won

as Kim Tae-i