Connection

Ji Sung

Jang Jae-kyeong

Jeon Mi Do

Oh Yun Jin

Kwon Yul

Park Tae-jin

Kim Kyung-Nam

Won Jong Soo

Cha Yup

Oh Chi Hyun

Min-joo Kim

Oh Yoon-jin (young)

Jeong Jaekwang

Kim Chang-soo

Sa-Bong Yoon

Jeong Yeon-joo

Lee Hyun So

Park Joon-seo (young)

Yoon Na-moo

Park Joon-seo

Lee Kang-Wook

Jung Yoon Ho

Yoo Hee-je

Gong Jin Wook

Han-gyeol Cho

Jang Jae-kyeong (young)

Seo Yi-Ra

Oh Soo Hyun (Detective)

Jo Min-Gu

Heo Joo Song (young)

Park Si-Yun

Won Jong Soo (young)

Jung Soon-won

Heo Joo-song

Jung-pyo Park

Yoo Kyeong-hwan