Kim Seul-gi

as Ko Taeng-ja / "Black Finger"

as Jang Dan-bi

as Han Mi-nyeo

as Ji-sook

as Han Se-yeon

as Lee Yoo-jin

as Happy

as Young-mi

as Yu-mi

as Self - Host

as documentary director

as Bok Soo Hae

as Yeo Ha-kyung

as Shin Soon-ae

as Kim Mi-Kyung

as Kim Bo-Ra

as Geun-deok

as Seon-young

as Seo Bo-Mi

as Mo Nam-hee

as Fisherwoman

as Eun-pye

as Mermaid

as Mr. Squirrel

as Jo Mi-ran

as Ko Mi-Ryeo

as Driver Hong

as Jang Dan-bi / Go Sam

as Shin Soon-ae

as Jong Man

as Heo Sook-hee

as Yoon Kkeut-soon

as Yoon Sol

as Ahn Hye-young

as Ha-na

as Kim Sol

as Sseureki's cousin

as Gong Ji

as Self

as Yoon Mi-ra (segment "The Accident")

as Self

as Deputy manager of contents-development team

as Han Ji Hye

as [Na Bong Soo's tutor]

as Self - Various Characters

as Sa-Rang