Season 1

Lee Jin-hyuk

Kwon Hyeok / "Khaki Finger"

Kim Hye-eun

Seong Gyeong

Lim Cheol-soo

Jang Dong-geon / "Brown Finger"

Cho Jun-young

Nam Gi-jeong / "Red Finger"

Park Ji-hu

Song Woo-yeon / "Baby Blue Finger"

Gi Eun-you

Song Woo-dol

Won Tae-min

Heo Zero

Ham Seong-min

Oh Dae-oh

Cha Woo-min

Byeon Tae-seon

Eun Yeo-jin

Yeom Se-ra

Lee Cheol-ha

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Son Hyun-woo

Song Woo-seok

Kim Seul-gi

Ko Taeng-ja / "Black Finger"

Kwon So-hyun

Hwang Bun-hong / "Pink Finger"

Choi Bo-min

Koo Seon-ho / "Blue Finger"

Park You-na

Nam Geu-rin / "Mint Finger"

Kang Hye-won

Ahn Ye-rim