The K2

Ji Chang-wook

Kim Je-ha

Song Yun-ah

Choi Yoo-jin

Yoona

Ko An-na

Cho Seong-ha

Jang Se-joon

Kim Kap-soo

Park Gwan-soo

Lee Jung-jin

Choi Sung-won

Son Tae-young

Ko An-na's Mother

Shin Dong-mi

Kim Dong-mi

Park Geon-rak

Public Prosecutor

Lee Yea-eun

Jang Mi-ran

Lee Jae-woo

Lee Sung-kyu

Jeon Bae-soo

Joo Cheol-ho

Song Kyung-chul

Song Young-choon

Park Soon-cheon

Choi Sung-won's Mother

Lee Cheol-min

Park Gwan-soo's Secretary

Ko In-beom

Kook Chae-wan

Lee Yoo Joo

Ko An-na (young)

Yeom Hye-ran

An-Na's Housemaid

Ju Seok-tae

Notary

Kim Bo-mi

Girl who took a Selfie

Lee Han-wi

Blue House Chief of Staff

Cho Dong-hyuk

JSS Special Division Leader

Shin Dong-hoon

Kim Ki-ja

Jung Ji-young

No Ji-yun

Yoon Jong-hwa

Kim Suk-han

Cho Jae-ryong

Secretary Sung

Joey Albright

Scott

Choi Seung-hoon

Kim Je-ha (young)

Lee Soon-won

JSS Bodyguard Leader

Lee Won-jin

FD

Kim Hyun

Guide

Han Hye-ji

Reporter

Lee Seung-joon

Examiner

이유수

Detective

Jeong Se-hyeong

Detective

Yoo In-hyuk

Bodyguard

Yoon Joo Bin

Bodyguard

Lee Su-ryeon

Bodyguard

Kwon Soo-hyun

Bodyguard

Oh Sang-Hoon

Task Force Leader

Kim Ik-tae

Fruit Ranch Farmer

Ji Tae Yang

Scarred Policeman

Yoon Sung-woo

Young Je Ha's Friend

Ham Jin Sung

Kwan Soo's Bodyguard

Son Dong-hwa

Reserve Forces Member

So Hee-jung

JSS Chief Medical Doctor

Kim Gyeong-ryong

Lee Kyung-jin

Yoo Seung-mok

Congressman Kim

Jo Hee-bong

Policeman

Jung Dong-geun

Prosecutor

Joo Sae-byeok

Affair Woman

Sung Dong-il

Detective

Tae Won-seok

Detective

Cho Byeong-kyu

Cafe Part-timer

Kim Mi-hye

Anchorwoman

Jeon Soo-yeon

Nurse (Eps 13)

Lee Se-rang

Hair Salon Customer

Bae Eun-woo

Flight Attendant

Carson Allen

Raniya