진태현

Self - Mentor

Kim Nam-Joon

Do Gwang-Woo

Self - Guest

Roman Lee

Lord Chang Won

Kim Sang Soo

Jin Yong-Suk

Se-hyeon

Park Doo-ho

Gyo-ki

Min Soo

南周承

Kang Hyung-Woo

Ran's Ex-lover

Bae Ji-Hoon

Shi-Hoo

Yeon-seong

Kang Se-ki

Min Tae-hyeon

Jung-dae

Young-eun

Yong Joon [Kyung Min's college friend]

Joon-ho, Kyung-min's college friend

Kim Soo-jin