Characters played by Seo-jin Lee
Lee Jin Woo
Characters played by Joo-Young Lee
Seo Jung In
Characters played by Yeong-cheol Kim
Seo Ki Tae
Characters played by Moon Jeong-Hee
Kim Yeong Joo
Characters played by Yoo Seong-ju
Nam Sung Beom
Characters played by Kim In-kwon
Do Young Jae
Characters played by Hyung Tak Shim
Han Do Kyeong
Characters played by Jae-Ho Heo
Yoon Seong Ho
Characters played by Yoo Jae-myung
Kim Jin-chul
Characters played by Moon Ji-In
Myung Soo Kyung
Characters played by Bae Hyeon-Kyung
Oh Jung Shik
Characters played by Bae Woo-Hee
Jo Yoo Jin
Characters played by Choong-seon Park
Secretary Choi Min Jae
Characters played by Go Gyu-pil
Ark Communication's Chairman
Characters played by Song Young-Chang
Baek Kyu Min
Characters played by Ha-Joon Song
Lee Geun Woo
Characters played by Kim Kyeong-min
Prosecutor
Characters played by Sung-Il Jung
Kang Shin Wook