Season 1

Lee Jung-jin

Jang Shi-Hwan

Kim Sun-young

Han Young-Mi

You Chea-myung

CEO Jo

Hwang Chan-seong

Nam Bong-Gi

Son Jong-hak

Kim Hwan-Gyoo

Ahn Sang-woo

Manager Shin [Dong Gyu's brother in-law]

Hwang Bo-ra

Jang Mi-Ri

Im Ha-ryong

Jung-Gi's Father

Yoon Sang-hyun

Nam Jung-Gi

Yang Joo-ho

Manager Yang

Lee Hyung-min

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Lee Yo-won

Ok Da-Jung

Song Jae-hee

Ji Yoon-Ho

Kwon Hyun-sang

Park Hyun-Woo

Son Hee-soon

Han Yeong-mi's mother-in-law