Pemeran Kill It

Nana (Im Jin Ah) (임진아)

as Do Hyun Jin / Lee Young Eun

Pemeran Utama

Jang Ki Yong (장기용)

as Kim Soo Hyun / Number 88

Pemeran Utama

Roh Jeong Eui (노정의)

as Kang Seul Gi

Pemeran Utama

Lee Jae Won

as Philip Ahn [Soo Hyun's Hitman Broker]

Pemeran Pembantu

Jung Hae Kyun

as Do Jae Hwan [Hyun Jin's Father]

Pemeran Pembantu

Ji Il Joo

as Yoon Jung Woo [Prosecutor]

Pemeran Pembantu

Kim Hyun Mok

as Lee Yoon Seung [Hyun Jin's colleague]

Pemeran Pembantu

Jung Jae Eun

as Jung So Yeon [Jae Hwan's wife]

Pemeran Pembantu

Lee Dong Kyu

as Park Tae Soo [Jae Hwan's minion]

Pemeran Pembantu

Ahn Se Ho

as Jang Kwang Jun [Forensic Scientist]

Pemeran Pembantu

Jeon Jin Ki

as Joo Young Hoon [Doctor]

Pemeran Pembantu

Ok Go Woon

as Yoon Ji Hye [Jae Hwan's Secretary]

Pemeran Pembantu

Kwak Ja Hyung

as Park Seong Ho [Assistant inspector]

Pemeran Pembantu

Kim Sun Bin

as [Jae Hwan's minion]

Pemeran Pembantu

Jo Han Chul

as Ko Hyeon U [Researcher]

Pemeran Pembantu

Son Kwang Eop

as Seo Won Suk [Assemblyman]

Pemeran Pembantu

Park Geun Soo

as Lee Sang Yeon

Pemeran Pembantu

Kim Won Shik

as [Seul Gi's uncle]

Pemeran Pembantu

Jang Eui Don

as Kim Jong Goo

Pemeran Pembantu

Lee Kyung Oh

as Section Chief Lee

Pemeran Pembantu

Kim Joo Heon

as Min Hyuk

Pemeran Pembantu

Ju Ah Yeon

as Ha Young

Pemeran Pembantu

David McInnis

as Pavel [Killer/Soo Hyun's Adoptive Father] (Ep. 1, 4)

Bintang Tamu

Robin Deiana

as Karimov II [Russian Mafia] (Ep.1-4)

Bintang Tamu

Moon Woo Jin

as Kim Su Hyeon [Young]

Bintang Tamu

Seo Kwang Jae

as [Chief, Special Investigation Team] (Ep. 1, 7)

Bintang Tamu

Joo Ye Rim

as Kang Seul Gi [Young]

Bintang Tamu

Lee Dong Yong

as [Hyun Jin's informant]

Bintang Tamu

Lee Yoon Sang

as [Public Prosecutor General] (Ep.12)

Bintang Tamu

Kang Moon Kyung

Bintang Tamu

Son Young Soon

as [Street stall grandmother]

Bintang Tamu

Yoo Dam Yeon

Bintang Tamu

Han Hye Ji

as [Nurse]

Bintang Tamu

Lee Soo Yong

as Lee Chung Won [Gang Boss] (Ep 2)

Bintang Tamu

Uhm Chae Young

as No.188 (ep.9,11)

Bintang Tamu

Go Do Yeon

as [Granddaughter]

Bintang Tamu

Park Se Hoon

as [Motorcycle deliveryman

Bintang Tamu

Ok Il Jae

as [Chauffeur]

Bintang Tamu

Choi Myung Bin

as Do Hyun Jin [Young] (Ep. 6)

Bintang Tamu

Kim I San

as [Program host]

Bintang Tamu

Ahn Ji Sook

Sutradara

Nam Sung Woo

Sutradara

Choi Myung Jin

Screenwriter

Son Hyun Soo

Screenwriter

Jo Ha Seok

as gangster member

Bit part