Pemeran Cheer Up

Han Ji Hyeon

as Do Hae Yi

Pemeran Utama

Bae In Hyuk

as Park Jung Woo

Pemeran Utama

Kim Hyun Jin

as Jin Sun Ho

Pemeran Utama

Jang Gyu Ri

as Tae Cho Hee

Pemeran Utama

Lee Min Jae (이민재)

as Do Jae Yi

Pemeran Pembantu

Lee Eun Saem

as Joo Sun Ja

Pemeran Pembantu

Yang Dong Geun

as Bae Young Woong

Pemeran Pembantu

Kim Shin Bi

as Im Yong Il

Pemeran Pembantu

Ryu Hyun Kyung

as Shin Ji Young

Pemeran Pembantu

Nam Joong Gyu

as Jung Soo Il

Pemeran Pembantu

Eun Hae Sung

as Lee Jae Hyuk

Pemeran Pembantu

Lee Jung Joon

as Ki Woon Chan

Pemeran Pembantu

Baek Ji Won

as Hwang Jin Hee

Pemeran Pembantu

Jang Young Nam

as Sung Choon Yang

Pemeran Pembantu

Han Soo A

as Choi So Yoon | Choi Ji Yoon

Pemeran Pembantu

Hyun Woo Seok

as Kim Min Jae

Pemeran Pembantu

Yoon Bok In

as Jung Sun Hye

Pemeran Pembantu

Jung Shin Hye (정신혜)

as Lee Ha Jin

Pemeran Pembantu

Song Deok Ho

as Song Ho Min

Pemeran Pembantu

Park Bo Yeon

as Lee Yoo Min

Pemeran Pembantu

Kwon Hyuk

as Jin Min Chul

Pemeran Pembantu

You Yi Joon

as [Director]

Pemeran Pembantu

Lee Seung Min

Pemeran Pembantu

Seo Young Sam

as Kim Jung Hoon

Pemeran Pembantu

Cheon Dong Bin

as [Yonhee University color guard leader]

Pemeran Pembantu

Lee Sang Jun

as [Yonhee University color guard member]

Pemeran Pembantu

Park Eun Woo

as Mi Jung

Pemeran Pembantu

Jeon Young

as [Jin Sun Ho's family maid]

Pemeran Pembantu

Jang Yo Hoon

as Joon Hyuk

Pemeran Pembantu

Park Xi Yeon

as [Broadcasting club member]

Pemeran Pembantu

Lim Ji Ho

as Kim Jin Il

Pemeran Pembantu

Jo Sung Joon

as [Orientation event MC] (Ep. 1)

Bintang Tamu

Han Hye Ji

as [Investment club member] (Ep. 1)

Bintang Tamu

Yoon Byung Hee

as [Prophet] (Ep. 1, 16)

Bintang Tamu

Kim Ha Eun

as Do Hae Yi [Young] (Ep. 2)

Bintang Tamu

Moon Woo Bin

as [Library worker] (Ep. 2)

Bintang Tamu

Jang Moon Jung

as [Library worker] (Ep. 2)

Bintang Tamu

Yoon Jun Won

as [Jung Woo's friend] (Ep. 2)

Bintang Tamu

Park Min Ha

as Do Hae Yi [Teen] (Ep. 4)

Bintang Tamu

Kwon Oh Geon

as Do Jae Yi [Young] (Ep. 4)

Bintang Tamu

Park Beom Chan

as [Delivery man] (Ep. 4)

Bintang Tamu

Ko Jae Hyun

as [Unknown] (Ep. 4)

Bintang Tamu

Han Sang Chul

as [Drunk customer] (Ep. 4)

Bintang Tamu

Seol Chang Hee

as [Technician] (Ep. 5)

Bintang Tamu

Myung Jae Hwan

as [Yonhee University faculty] (Ep. 5)

Bintang Tamu

Hong Seong Gwan

as [Rugby team captain] (Ep. 5-6)

Bintang Tamu

Park In Chun

as [Professor] (Ep. 5, 11)

Bintang Tamu

Lee Ha Nee

as Park Yoon Ho (Ep. 5, 15)

Bintang Tamu

Cha Jung Won

as [Medical student] (Ep. 6)

Bintang Tamu

Lee Sung Il

as [Butler Choi manager] (Ep. 6)

Bintang Tamu

Han Ye Ji

as [Jin Sun Ho's girlfriend] (Ep. 6)

Bintang Tamu

Jang Na Ra (장나라)

as Na Jung Sun (Ep. 7)

Bintang Tamu

Byun Yoon Jeong

as [Lee Sung Chul's mother] (Ep. 7)

Bintang Tamu

Jukjae

as [Himself] (Ep. 9)

Bintang Tamu

Park Jong Bo

as [Security guard] (Ep. 9)

Bintang Tamu

Kim Soo Jin

as Lee Soon Ja (Ep. 10)

Bintang Tamu

Kim Do Hyun

as [Joo Sun Ja's father] (Ep. 10)

Bintang Tamu

Jung Seo In

as [Busan market vendor] (Ep. 10)

Bintang Tamu

Jung Hye Kyung

as [Busan market vendor] (Ep. 10)

Bintang Tamu

Kim Deok Ju

as [Busan market shopper] (Ep. 10)

Bintang Tamu

Eom Ok Ran

as [Busan market shopper] (Ep. 10)

Bintang Tamu

Jung Hee Young

as [Busan market vendor] (Ep. 10)

Bintang Tamu

Im Ho Joon

as [Kim Jin Il's uncle] (Ep. 13)

Bintang Tamu

Kim Dong Yong

as [Doctor] (Ep. 14)

Bintang Tamu

Wie Shin Ae

as [Documentary writer] (Ep. 14)

Bintang Tamu

Kang Jung Goo

as [Documentary director] (Ep. 14)

Bintang Tamu

Kim Joo Ah

as [Soo Il's mom] (Ep. 15)

Bintang Tamu

Choi Gyo Shik

as [Hae I's uncle] (Ep. 16)

Bintang Tamu

Na Ho Won

as [Job interviewer] (Ep. 16)

Bintang Tamu

Lee Jong Hyuk

as Sung Kyu Jin

Bintang Tamu

Park Jun Seo

as [Cheerleader]

Bintang Tamu

Seo Tae Woong

as [Band vocalist]

Bintang Tamu

Lee Seung Kyu

as [Student athlete]

Bintang Tamu

Yeon Si

as [Camcorder crew member]

Bintang Tamu

Han Jong Kyu

as [Hokyung university student]

Bintang Tamu

Choi Sung Yool

as [Cheering Squad Theia staff]

Bintang Tamu

Jeon Gang Ho

as [Rugby player]

Bintang Tamu

Han Tae Seob

Sutradara

Cha Hye Won

Screenwriter