은밀하게 위대하게

Kim Soo-hyun

Won Ryu-hwan / Bang Dong-gu

박기웅

Lee Hae-rang

Lee Hyun-woo

Lee Hae-jin

손현주

Kim Tae-won

Park Hye-sook

Sun-im

Ko Chang-seok

Seo Sang-gu

김성균

Seo Soo-hyuk

장광

Ko

신정근

Mr. Park

홍경인

Jo Doo-seok

이채영

Ran

Park Eun-bin

Yoon Yoo-ran

Choi Woo-shik

Yoon Yoo-joon

구승현

Hwang Chi-woong

엄태구

Hwang Jae-oh

Kim Beop-rae

NIS General Manager

조용진

Se-yoong

조영진

Kim Hui-gwan