Pemeran Argon

Kim Joo Hyuk

as Kim Baek Jin

Pemeran Utama

Chun Woo Hee (천우희)

as Lee Yeon Hwa

Pemeran Utama

Park Won Sang

as Shin Chul [Investigative journalism team "Argon" member]

Pemeran Pembantu

Shin Hyun Been (신현빈)

as Chae Soo Min

Pemeran Pembantu

Park Hee Von

as Yook Hye Ri

Pemeran Pembantu

Shim Ji Ho

as Uhm Min Ho [Investigative journalism team "Argon" member]

Pemeran Pembantu

Jo Hyun Chul

as Heo Jong Tae [Investigative journalism team "Argon" member]

Pemeran Pembantu

Ji Yoon Ho

as Oh Seung Yong [Investigative journalism team "Argon" member]

Pemeran Pembantu

Ji Il Joo

as Park Nam Gyu [Investigative journalism team "Argon" member]

Pemeran Pembantu

Park Min Ha

as Kim Jin Hee [Investigative journalism team "Argon" member]

Pemeran Pembantu

Lee Seung Jun

as Yoo Myung Ho [HBC]

Pemeran Pembantu

Lee Kyung Young

as Choi Geun Hwa [HBC]

Pemeran Pembantu

Kim Jong Soo

as So Tae Sub [HBC]

Pemeran Pembantu

Ryu Han Bi

as Kim Seo Woo

Pemeran Pembantu

Park Chul Hyun

as Wang Joong Goo

Pemeran Pembantu

Seo Kwang Jae

as (Ep. 5)

Bintang Tamu

Lee Jae Kyoon

as Lee Geun Hwa

Bintang Tamu

Park Noh Shik

as Yun Deok Su

Bintang Tamu

Cha Yu Jin

as Moon Hye Jin

Bintang Tamu

Hong Seo Joon

as Hong Seo Jun

Bintang Tamu

Yang Hyun Min

as Yang Ho Joong

Bintang Tamu

Park Se In

as [Japanese restaurant manager]

Bintang Tamu

Seo Yoon Ah

as Kim Hee Jung [Sun Kwang Il's wife]

Bintang Tamu

Lee Dong Yong

as [Homeless man]

Bintang Tamu

Yoo Ji Yeon

as [Police officer]

Bintang Tamu

Park Su Yeon

as Nam Yun Jung

Bintang Tamu

Kim Joo Heon

as Ahn Jae Geun

Bintang Tamu

Noh Susanna

as [Jae Geun's wife]

Bintang Tamu

Choi Bae Young

as Han Soo Young

Bintang Tamu

Son Kyung Won

as [PR Director]

Bintang Tamu

Lee Ki Young

as [CEO of HBC]

Bintang Tamu

Na Gwang Hoon

as Kim Dae Sub

Bintang Tamu

Lee Jae Yoon

as Heo Hoon [Prosecutor]

Bintang Tamu

David McInnis

as Robert Winston

Bintang Tamu

Nam Moon Chul

as Cha Jung Gook

Bintang Tamu

Choi Jae Woong

as Han Gi Jin [Prosecutor]

Bintang Tamu

In Sung Ho

as Seo Jang Hyuk

Bintang Tamu

Han Yeo Wool

as Jung Min Joo

Bintang Tamu

Kim Dae Kook

as [Argon team technical assistant employee]

Bintang Tamu

Han Seo Yeon

as [Softening synchronized reporter]

Bintang Tamu

Yoo Dam Yeon

Bintang Tamu

Moon Ki Young

Bintang Tamu

Kim Oh Bok

Bintang Tamu

Park Gi Seon

Bintang Tamu

Choi Gyo Shik

Bintang Tamu

Park Mi Na

Bintang Tamu

Bae Eun Woo

as Jung Mi Joo (Ep. 7)

Bintang Tamu

Kim Kyung Il

Bintang Tamu

Ham Na Young

as [Director's daughter]

Bintang Tamu

Ariane Desgagnes-Leclerc

as [Presenter]

Bintang Tamu

Oh Yoo Mi

as [Kids Cafe Staff]

Bintang Tamu

Son Sang Kyung

Bintang Tamu

Lee Yoon Jung

Sutradara

Song Jung Woo

Producer

Shin Ha Eun

Screenwriter

Jeon Yeong Sin

Screenwriter

Jo Won Gyu

Screenwriter

Kim Byung Chul

Bit part