Pemeran Pipeline

Seo In Guk (서인국)

as Kang Sae Dol / Pin Dol / Drill-bit

Pemeran Utama

Lee Soo Hyuk (이수혁)

as Hwang Gun Woo / Backer

Pemeran Utama

Eum Moon Suk

as Jung U Seong / New bird / Welder

Pemeran Utama

Yoo Seung Mok

as Na Choon Shik

Pemeran Utama

Tae Hang Ho

as Park Gap Sung / Big Shovel

Pemeran Utama

Bae Da Bin

as Song Eun Joo / Counter

Pemeran Utama

Bae Yoo Ram

as Cho Man Shik / Officer

Pemeran Utama

Seo Dong Won

as General Dung

Pemeran Pembantu

Ji Dae Han

as Straw

Pemeran Pembantu

Jung Jae Kwang (정재광)

as Sang Goo

Pemeran Pembantu

Shin Yoo Ram

as White Bear

Pemeran Pembantu

Kim Young Pil

as Head of Department Park

Pemeran Pembantu

Kim Jung Seok

as [Chief]

Pemeran Pembantu

Lee Young Suk

as Chairman Hwang

Pemeran Pembantu

Seol Jae Geun

as Do Yoo Kkoon

Pemeran Pembantu

Lee Sang Ha

Martial Arts Director

Lee Seung Yeop

Production Sound Mixer

Kim Kyung Chan

Screenwriter

Yoo Ha

Screenwriter & Sutradara

Kim Min Kyung

as Hyun Soon

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Woo Kang Min

as [Patrol team leader]

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Park Min I

as Director Jeon

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Ryu Sung

as [Situation room team member]

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Shim So Young

as [Bong Soo's mom]

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Yong Jin

as ['Straw' subordinate #2]

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Kim Yeon Kyo

as [Section chief Na's daughter]

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Jung Jin Woo

as ['Straw'' subordinate #4]

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Ahn Hyun Jung

as [Section Chief Na's wife]

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