He Is Psychometric

Jinyoung

as

Lee Ahn

Shin Ye-eun

as

Yoon Jae In

Kim Kwon

as

Kang Sung Mo

Kim Da-som

as

Eun Ji Soo

Cho Byeong-kyu

as

Kang Sung Mo (...

Jeon Mi-seon

as

Kang Eun-ju

Go Youn-jung

as

Kim So-hyun

Ro Jong-hyun

as

Lee Dae-bong

Jeong Seok-yong

as

Yoon Tae-ha

Jang Eui-soo

as

Lee Seung-yong

Lee Seung-joon

as

Kang Geun-taek

Sa Kang

as

Hong Soo-yeon

Kim Hyo-jin

as

Oh Sook-ja

Kim Ki-moo

as

Hong Jeong-soo

Uhm Hyo-seop

as

Eun Byeong-ho

Kim Won-hae

as

Math Teacher

Park Cheol-min

as

Nam Dae-nam