Secret Reunion— Full Cast

Song Kang-ho

as Lee Han-kyu

Gang Dong-won

as Song Ji-won

Jeon Kuk-hwan

as Shadow

Park Hyuk-kwon

as Go Kyung-nam

Yoon Hee-seok

as Son Tae-soon

Choi Jung-woo

as National Intelligence Deputy

Kwon Beom-taek

as Ji Myung-hoon

Jeong In-gi

as Kim Sung-hak

Jo Hyun-wu

as Seong-chul

Cha Yeob

as Jae-hwan

Lee So-yoon

as Hyoung-sook

Lee Jasmine

as Du Lee-ahn

Park Yong-jin

as Jang Yoo-shin

Lee Jong-gu

as Priest Lee Ki-hoon

Ha Soo-ho

as Suspicious Man