Cast of Insider

Meet the talented cast of Insider. From main characters to supporting roles, discover the actors who bring this show to life.

Starring: Kang Ha-neul as Kim Yo-han, Lee You-young as Oh Soo-yeon, Heo Sung-tae as Yoon Byung-wook, Kim Sang-ho as Mok Jin-hyung, Kang Young-suk as Jang Seon-oh, Park Seong-geun as Hong Sang-wook, Kang Shin-hyo as Hong Jae-seon, Jeong Man-sik as Yang Hwa, Kim Si-eun as Park Ro-sa, Sung Ji-ru as Heo Sang-soo