Pictures of supporting characters (thru Ep 7)

[humblestudent2]

I am going to assume that you can pick out Oh-soo, Hae-in, and Seung-ha, but here is the rest of the cast -

www.kbs.co.kr/drama/devil/about/cast/1444699_21287.html

Kang Dong-hyeon (Oh-soo's dad, hotel magnate and politician)
Kang Heui-soo (Oh-soo's elder brother)
Choi Na-heui (Heui-soo's wife)
Na Seok-jin (Heui-soo's secretary, one of Oh-Soo's high school gang)
Yoon Dae-shik (DEAD - loan shark and one of Oh-Soo's high school gang)
Kim Soon-ki (Paroled homicide, one of Oh-Soo's high school gang)
Kim Yeong-cheol (Classmate and victim of Oh-Soo's gang, now working as a copy editor)
Ban Chang-ho (Oh-soo's boss)
Lee Min-Jae (detective)
Shin Jae-Min (detective)

www.kbs.co.kr/drama/devil/about/cast/1444698_21287.html

Yeo Soon-ok (Hae-in's mom)
Gong Joo-Heui (Hae-in's friend/partner)

www.kbs.co.kr/drama/devil/about/cast/1444697_21287.html

Cha Kwang-doo (works with Seung-ha)
Hwang Soo-gon (Seung-ha's elder brother)

www.kbs.co.kr/drama/devil/about/cast/1444695_21287.html

Mo In-ho (former high school teacher of Oh-soo)
Jo Dong-seop (arrested in the murder of Lawyer Kwon)
Kwon Hyeon-tae (DEAD - not pictured)