Pemeran The Game: Towards Zero

Ok Taec Yeon (옥택연)

as Kim Tae Pyung / "Jason"

Pemeran Utama

Lee Yun Hee

as Seo Joon Young

Pemeran Utama

Im Joo Hwan (임주환)

as Goo Do Kyung

Pemeran Utama

Park Ji Il

as Nam Woo Hyun [Chief of the Central Police Department]

Pemeran Pembantu

Choi Jae Woong

as Han Dong Woo

Pemeran Pembantu

Shin Sung Min

as Yoon Kang Jae [Detective at Crime Division One]

Pemeran Pembantu

Lee Seung Ryong

as Ko Bong Su [Detective at Crime Division One]

Pemeran Pembantu

Lee Bom

as Ji Su Hyeon [Crime scene investigator]

Pemeran Pembantu

Park Won Sang

as Lee Jun Hee [Reporter / Captain at Hana Daily News]

Pemeran Pembantu

Hong In

as Park Han Gyu [Reporter at Hana Daily News]

Pemeran Pembantu

Yoon Ji Won

as Oh Ye Ji [Intern at Hana Daily News]

Pemeran Pembantu

Jung Dong Hwan

as Teacher Baek [Tae Pyung's teacher]

Pemeran Pembantu

Ryu Hye Rin

as Lee Yun Hwa [Tae Pyung's lawyer / Secretary]

Pemeran Pembantu

Jang So Yeon

as Yoo Ji Won [Jun Hee's wife]

Pemeran Pembantu

Choi Kwang Il

as Kim Hyung Soo

Pemeran Pembantu

Lee Won Jin

as Gu Do Kyung

Pemeran Pembantu

Uhm Yoon Jung

as Choi Hye Young

Pemeran Pembantu

Lee Seung Hoo

Pemeran Pembantu

Ye Soo Jung

as Madame Jung [Sung Min's mother] (Ep. 1)

Bintang Tamu

Yang Hyun Min

as Oh Sung Min / "The Butcher" [Gangster] (Ep. 1, 4)

Bintang Tamu

Lee Ga Yeon

as Hong Min Ah [Hong Jung Ho's daughter / Past victim] (Ep. 5-6, 19)

Bintang Tamu

Kim Oh Bok

as [Police station security] (Ep. 6)

Bintang Tamu

Kim Jung Young

as [Joon Young's mother / Dong Chul's wife] (Ep. 7)

Bintang Tamu

Shin Soo Jung

as Medical examiner Lee (Ep. 9)

Bintang Tamu

Shin Yeon Suk

as [Hope Orphanage head nun] (Ep. 10)

Bintang Tamu

Seo Jang Hyun

as [Hope Orphanage boy] (Ep. 10)

Bintang Tamu

Cha Sung Je

as [Hope Orphanage boy] (Ep. 10)

Bintang Tamu

Seo Kwang Jae

as Lee Won Woo [President] (Ep. 13)

Bintang Tamu

Jang Gwang

as [Retired medical examiner] (Ep. 17-18)

Bintang Tamu

Kim Kang Hoon

as Jo Hyun Woo / Goo Do Kyung [Young]

Bintang Tamu

Yeo Woon

as Seong Min Jae (Ep. 25)

Bintang Tamu

Song Ji Hyuk

as [Reporter at Hana Daily News]

Bintang Tamu

Yeom Dong Hun

as Yang Joo Il (Ep. 20)

Bintang Tamu

Kim Geon U

as Kim Tae Pyung [Young]

Bintang Tamu

Joo Ye Rim

as Seo Joon Young [Young]

Bintang Tamu

Kim Hak Seon

as Seo Dong Chul [Joon Young's father]

Bintang Tamu

Choi Da In

as Lee Mi Jin [Jun Hee and Ji won's daughter]

Bintang Tamu

Kim Yong Jun

as Cho Pil Du [Condemned criminal]

Bintang Tamu

Lee Do Hyun

as Hong Jung Ho [7th victim's father]

Bintang Tamu

Kang Young Eun

as [Orphanage girl]

Bintang Tamu

Kwon Hyuk Sung

as [Detective]

Bintang Tamu

Choi Soo Hyun

as [Charnel employee]

Bintang Tamu

Park Jung Eon

as [Citizen]

Bintang Tamu

Lee Dong Gyu (이동규)

as [News anchor]

Bintang Tamu

Kim Young Sun

as [Pil Doo's wife]

Bintang Tamu

Kang Jung Goo

as [Doctor]

Bintang Tamu

Jung Joon

as [Student]

Bintang Tamu

Kim I San

as [Reporter]

Bintang Tamu

Kwon Dong Won

as [Detective]

Bintang Tamu

Kim Woo Jin

as Police Constable Lee

Bintang Tamu

Kim Gun Soo

as [Paramedic]

Bintang Tamu

Hong Eun Jeong

as [Police officer]

Bintang Tamu

No Eun Jeong

as [Leader]

Bintang Tamu

Lee Si Young

Bintang Tamu

Kim Ha Neul

Bintang Tamu

Kim Han Sang

Bintang Tamu

Kim Seong In

Bintang Tamu

Shin Soo Ho

Bintang Tamu

Lee Seung Jin

Bintang Tamu

Lee Hye Jo

as [Nurse]

Bintang Tamu

Joo In Young

as [Hyeon U's mother]

Bintang Tamu

Jung Se Rin

Composer

Jang Joon Ho

Sutradara

Lee Ji Hyo

Screenwriter

Gi Hwan

Bit part