The K2

Ji Chang-wook

Kim Je-Ha

송윤아

Choi Yoo-Jin

윤아

Ko An-Na

조성하

Jang Se-Joon

김갑수

Park Gwan-Soo

이정진

Choi Sung-Won

손태영

An-Na's Mother

신동미

Kim Dong-Mi

Park Geon-lak

Public Prosecutor

Lee Yea-eun

Jang Mi-Ran

이재우

Lee Sung-Kyu

Jeon Bae-soo

Joo Cheol-Ho

송경철

Song Young-Choon

박순천

Sung Won's Mother

이철민

Kwan Soo's Secretary

고인범

Kook Chae Wan

Lee Yoo Joo

Young Go An-Na

Yeom Hye-ran

An-Na's Housemaid

주석태

Notary

김보미

Girl who took a Selfie

이한위

Blue House Chief of Staff

조동혁

JSS Special Division Leader

신동훈

Kim Ki Ja

Jung Ji-young

No Ji Yun

윤종화

Kim Suk Han

조재룡

Secretary Sung

조이 알브라이트

Scott

Choi Seung-hoon

Young Kim Je-Ha

이순원

JSS Bodyguard Leader

이원진

FD

김현

Guide

한혜지

Reporter

Lee Seung-joon

Examiner

이유수

Detective

정세형

Detective

Yoo In-hyuk

Bodyguard

Yoon Joo Bin

Bodyguard

이수련

Bodyguard

Kwon Soo-hyun

Bodyguard

Oh Sang-Hoon

Task Force Leader

김익태

Fruit Ranch Farmer

Ji Tae Yang

Scarred Policeman

윤성우

Young Je Ha's Friend

함진성

Kwan Soo's Bodyguard

손동화

Reserve Forces Member

소희정

JSS Chief Medical Doctor

Sung Yi Un

Lee Se Mi

Park Geon

장해송

Choi Won Yong

Anupam Tripathi

추연규

Yoo Joo Ran

민상우

홍루현

박은영

김경룡

Lee Kyung Jin

Lee Sung-deuk

Yoo Seung-mok

Congressman Kim

조희봉

Policeman

정동근

Prosecutor

주새벽

woman having affair with Jang Se-Joon

성동일

Detective

태원석

Detective

조병규

Cafe Part-timer

김미혜

Anchorwoman

전수연

Nurse (Eps 13)

이세랑

Hair Salon Customer

Bae Eun-woo

Flight Attendant

Carson Allen

Raniya