Yumi's Cells

Kim Go-eun

Yumi

Kim Go-eun

Kim Yumi

Park Jin-young

Yoo Ba Bi [Bobby]

Mi-Ram

Kang Yi-da

Lee Yoo-Bi

Ruby

Ahn Bo-Hyun

Ku Woong

Jung Soon-won

Nam Joo-hyeok

Choi Min-ho

Chae Woo-ki

Ji-Hyun Park

Seo Sae-yi

Joo Jong-hyuk

Louis

Yoon Hyun-gil

Seo Yoon-woo

Kim Cha-yoon

Lee Bonnie

Shin Ye-eun

Yu Da Eun

Pyo Ji-hoon

Control Z

Jun Suk-ho

Ahn Dae Yong

Jun Ho-Young

Koo Woong

Jong-Hyuk Lee

Louis

Yoon Yoo-sun

Yumi's Mother

Ji-ru Sung

Yumi's Father