Special 2 S00 E02

Son Hyun-joo (as Baek Hong-suk) Kim Sang-joong (as Kang Dong-yoon) Go Joon-hee (as Seo Ji-won) Kim Sung-ryung (as Seo Ji-soo) Ryu Seung-su (as Choi Jung-woo) Park Hyo-ju (as Detective Jo) Kang Shin-il (as Squad Chief Detective Hwang) Lee Yong Woo (as PK Joon) Jang Shin-young (as Shin Hye-ra) Lee Re (as Yoon Chang-min's daughter) Jeon No-min (as Seo Young-wook) Park Keun-hyong (as Company president Seo) Song Jae-ho (as Yoo Tae-jin) Jo Jae-yun (as Park Yong-sik) Lee Hye-in (as Baek Soo-jung) Nam Da-reum (as Kang Min-sung) Jeon Kuk-hwan (as Jang Byung-ho) Ryohei Otani (as Bae Sang-moo) Kang Ji-woo (as Baek Soo-Jung (child))