I'm a Cyborg, But That's OK— Full Cast

Lim Soo-jung

as Cha Young-goon

Rain

as Park Il-soon

Oh Dal-su

as Shin Duk-cheon

Lee Yeong-mi

as Oh Seol-mi

Kim Chun-gi

as Lee Dae-pyeong

Park Jun-myun

as Wang Gop-dan

Cheon Seong-hoon

as Hwang Gyu-suk

Choi Hee-jin

as Choi Seul-gi

Lee Yong-nyeo

as Young-goon's Mother

Son Young-soon

as Young-goon's Grandmother

Park Byung-eun

as Kim Jun-beom

Kim Byeong-ok

as Judge

Lee Ji-hyeon

as Young-goon's Aunt

Joo-hee Eun

as Son Eun-Young

Jung-yong Lee

as Young-Goon's uncle