Kim Soo-hyun

Jang Tae-yeong

Won Ryu-hwan / Bang Dong-gu

Zampano

Young Mr. Park

-

Han Jae-ta

Kim Joon-ki

Han Hyun-joon

Self

-

Baek Hyun-woo

Bang Dong Goo

Self

Lee Sung-mo (young)

Moon Gang-tae

Do Min-joon

Baek Seung-chan

-

Cha Kang-jin (young)

Top Star Playing Song Sam-dong

King Lee Hwon

Hotel Blue Moon CEO

Kang Jae-il

Kim Soo-hyun

Kim Hyun-soo

Self

Chun-jae

Kim Seong-joon