Pipeline

서인국

Pindol / Kang Sae-dol / Drill-bit

이수혁

Hwang Geon-woo

음문석

Jung Woo-sung / New Bird / Welder

Yoo Seung-mok

Chief Na Choon-shik

태항호

Park Gap-sung / Big Shovel

배유람

Cho Man-sik

배다빈

Song Eun-joo / Counter

서동원

General Dung

지대한

Straw

신유람

White Bear

심소영

Bong-soo's Mother

조영길

Detective

정형호

Intelligence Team Leader

Woo Kang-min

Patrol Team Leader

Mun Chang-jun

Detective

김정팔

Chief