Kwon Yul

as Lee Ho (the late emperor, Lee Gon's father)

as Helicopter Armed Staff Team Leader

as Man with Guitar

as Yi Hoe

as Fake Firefighter

as Jang Tae-jin

as Joo Hye-sung

as Bang Je-soo

as Jin-ki

as Park Hoon

as Na Young-bin

as Lee Seok

as Jang Hyun-woo

as Gong-myeong

as Park Tae-jin

as Park Moon-Soo

as Jae-young

as Goo Hae-joon

as Ji-hoon

as Lee Sang-woo

as Goo Tae-man

as Ha Yoon-seo's blind date

as Jung-sik

as Yoo Min-Woo

as Won

as Maeng Joon-ho

as Hyun-oh

as Kang Jung-Il

as Do Hyun-tae

as Cha Young-woon

as Baek Heon

as Yeo Bong-gu

as Self

as Self

as Hee-joon

as 차은오

as Moo Gu-young

as Seo Ji-seok

as Self

as Ji-sub

as Narrator in the Barrier-Free version (Voice)

as 특별출연

as Yum Ki-ho

as Man (segment 4)

as Self

as 주연