Cast of Connection

Main cast

Ji Sungas Jang Jae-gyeong

Jeon Mi-doas Oh Yoon-jin

Lee Hyun Soas Park Joon-Seo (teen)

Kwon Yulas Park Tae-jin

Kim Kyung-namas Won Jong-soo

Lee Sang-junas Kim U-sung

Jung Yoo-minas Choi Ji-yeon

Jung Soon-wonas Heo Joo-song

Yoon Na-mooas Park Jun-seo

Seo Yi-raas Oh Soo-hyun

Jeong Jae-kwangas Kim Chang-soo

Cha Yeobas Oh Chi-hyeon

Lee Kang-wookas Jung Yoon-ho

Cho Han-gyeolas Young Jang Jae-gyeong

Kim Min-juas Young Oh Yoon-jin

Park Keun-rokas Jung Sang-eui

Yoo Hee-jeas Gong Jin-wook

Ryu Hye-rinas Kang Si-jung

Park Jung-pyoas Yoo Gyeong-hwan

Yoon Sa-bongas Jung Yeon-joo

Moon Sung-keunas Won Chang-ho

Han Hyeon-junas Min Hyeon-woo