Ai Kil Yu

강지영

Kang Sun-woo / Han Ji-yeon

이기광

Han Ho-joong

엄태웅

Yoon Suk-hyun

Yoo Seung-mok

Han Beom-su

Lee So-jin

Na Hee-soo

안민영

Kang Sun-woo's Mother

김도연

Miranda

정진우

Jason

최제헌

Mr. Sin

우영택

Team Leader Park

김미란

Pingping

하선재

Oh Yeong-jae

서동원

General Manager No (Eps 2, 6)

Kim Hong-pyo

Coach (Eps 1)

전희정

Da-yeong (Eps 1)

태항호

Executive Director Seo (Eps 1)

Ji Dae-han

Executive Director Kim (Eps 1)