Pemeran Ditto

Yeo Jin Goo (여진구)

as Kim Yong

Pemeran Utama

Cho Yi Hyun (조이현)

as Kim Mu Nee

Pemeran Utama

Kim Hye Yoon (김혜윤)

as Seo Han Sol

Pemeran Utama

Na In Woo (나인우)

as O Yeong Ji

Pemeran Utama

Bae In Hyuk

as Kim Eun Sung

Pemeran Utama

Roh Jae Won

as Joo Geun Tae

Pemeran Pembantu

Nam Min Woo

as Park Nam Hae

Pemeran Pembantu

Shin Joo Hyup

as Park Man Soo

Pemeran Pembantu

Yeo Joo Ha

as Lee Yoo Jin

Pemeran Pembantu

Im Yu Bin

as Lee Seon Joo

Pemeran Pembantu

Kim Bo Yun

as Han Yeo Reum

Pemeran Pembantu

Yoo Chea Myung

as [Supervisor]

Bintang Tamu

Park Ha Sun

as [Professor of Sociology]

Bintang Tamu

Lee Su Min

as [Sociology student #1]

Bintang Tamu

Seo Eun Young

Screenwriter & Sutradara

Park Jung Hwan

as [Announcer 1]

Bit part

Park Ji An

as [Horn-rimmed glasses]

Bit part

Moon Chang Jun

as [Observation club head]

Bit part

Lee Dong Hyun

as [Returning student]

Bit part

Han Myung Hwan

as [Student Council student #1]

Bit part

Oh Seung Hee

as [Student at tteokbokki restaurant]

Bit part

Kim Yong Jin

as [President office staff]

Bit part

Yoon Sang Young

as [Sociology student #2]

Bit part

Yang Eun Sol

as [Hankook university campus broadcast announcer] | Voice for Siri]

Bit part

Kim Seung Hyun

Extras Casting

Jung Woo Young

Voice Actor