Pemeran I Kill U

Kang Ji Young

as Kang Seon U | Han Ji Yeon

Pemeran Utama

Lee Gi Kwang (이기광)

as Han Ho Jung

Pemeran Utama

Uhm Tae Woong

as Yun Seok Hyeon [Chairman's bodyguard]

Pemeran Pembantu

Yoo Seung Mok

as Han Beom Su / Chairman Han

Pemeran Pembantu

Kim Do Yeon

as Miranda [Hotel California]

Pemeran Pembantu

Jung Jin Woo

as Jason [Hotel California]

Pemeran Pembantu

Lee So Jin

as Na Hui Su

Pemeran Pembantu

An Min Yeong

as [Seon U's mother]

Pemeran Pembantu

Choi Je Heon

as Mr. Sin [Ho Jung's man]

Pemeran Pembantu

Lee Kun Goo

as Dokkiinun [Ho Jung's man]

Pemeran Pembantu

Woo Young taek

as Team Leader Park [Seok Hyeon's men]

Pemeran Pembantu

Kim Hong Pyo

as [Taekwondo coach] (Ep. 1)

Bintang Tamu

Jeon Hui Jeong

as Da Yeong [Seon U's match opponent] (Ep. 1)

Bintang Tamu

Ji Dae Han

as Executive Director Kim (Ep. 1)

Bintang Tamu

Tae Hang Ho

as Executive Director Seo (Ep. 1)

Bintang Tamu

Richard Kim

as [Gold appraiser] (Ep. 2)

Bintang Tamu

Seo Dong Won

as Director No (Ep. 2, 6)

Bintang Tamu

Kim Man Gi

as "Gaeko" [Ho Jung's man] (Ep. 3)

Bintang Tamu

Park Hyo Jun

as [YouTuber]

Bintang Tamu

Yoo Ha

Sutradara

Hwang Hye Ji

Screenwriter

Ko Jae Hong

Screenwriter