Pemeran Backstreet Rookie

Ji Chang Wook (지창욱)

as Choi Dae Hyun

Pemeran Utama

Kim You Jung (김유정)

as Jung Saet Byul

Pemeran Utama

Han Sun Hwa

as Yoo Yeon Joo

Pemeran Utama

Do Sang Woo

as Jo Seung Joon

Pemeran Utama

Ahn Sol Bin

as Jung Eun Byul

Pemeran Utama

Kim Min Gue (김민규)

as Kang Ji Wook

Pemeran Utama

Woo Hyun

as Kwon Eui Chu [4 Heavenly Kings band member]

Pemeran Pembantu

Lee Yoon Hee

as Cha Gi Bok [4 Heavenly Kings band member]

Pemeran Pembantu

Bae Gi Beom

as Go Kwang Tae [4 Heavenly Kings band member]

Pemeran Pembantu

Heo Jae Ho

as Manager Bae

Pemeran Pembantu

Ji Chan

as Kang Sung Tae

Pemeran Pembantu

Yoon Seul

as So Jung Hwa [Police officer]

Pemeran Pembantu

Shin Yoon Jung

as Kim Jung Ha

Pemeran Pembantu

Kim Si Yun

as Nancy

Pemeran Pembantu

Yoo Min Joo

as [Bully]

Pemeran Pembantu

Park Jung Woo

as Chairman Jo

Pemeran Pembantu

Kim Sun Young

as Kong Boon Hee [Dae Hyun's mother]

Pemeran Pembantu

Lee Byung Joon

as Choi Yong Pil [Dae Hyun's father]

Pemeran Pembantu

Eum Moon Suk

as Han Dal Sik [Dae Hyeon's best friend]

Pemeran Pembantu

Kyeon Mi Ri

as Kim Hye Ja [Yeon Joo's mother]

Pemeran Pembantu

Seo Ye Hwa

as Hwang Geum Bi [Saet Byul's best friend]

Pemeran Pembantu

Yoon Soo

as Cha Eun Jo [Saet Byul's best friend]

Pemeran Pembantu

Lee Joo Ha

as Oh Hyun Ji [Jung Eun Byul's best friend]

Pemeran Pembantu

Kim Ji Hyun

as Choi Da Soon [Dae Hyun's sister]

Pemeran Pembantu

Gil Yong Woo

as Yoo Myung Ki [Yeon Joo's father]

Pemeran Pembantu

Park Jin Joo (박진주)

as [Bully group leader] (Ep. 1)

Bintang Tamu

Ko Kyu Pil

as Oh Yo Hwan / "Convenience store guru" (Ep. 1-2)

Bintang Tamu

Lee Hyun Woong

as [Hangover promo partner] (Ep. 1, 3-4, 7-10)

Bintang Tamu

Yoon Bok Sung

as [Doctor] (Ep. 1, 6)

Bintang Tamu

Lee Jun Young (이준영)

as [Underage customer] (Ep. 2)

Bintang Tamu

Lee Yoo Bi

as [Customer with dog] (Ep. 2)

Bintang Tamu

Park Sang Myeon

as [High school dean] (Ep. 2, 4)

Bintang Tamu

Lee Jong Goo

as Kim Shin Woo [Professor] (Ep. 3)

Bintang Tamu

Jung Joon Ho

as [Customer] (Ep. 3)

Bintang Tamu

Myung Seok Geun

as [Alumnus at dinner] (Ep. 3)

Bintang Tamu

Kim Se Yong

as Jun [Waiter] (Ep. 3-4)

Bintang Tamu

Ahn Chang Hwan

as Ssongsak [Part-time job applicant] (Ep. 4)

Bintang Tamu

Ri Min

as [Store customer] (Ep. 4)

Bintang Tamu

Myung Jae Hwan

as [Part-Time Korea journalist] (Ep. 5)

Bintang Tamu

Carson Allen

as [Hotel Lobby Guest] (Ep. 5)

Bintang Tamu

Joey Albright

as [Hotel Lobby Guest] (Ep. 5)

Bintang Tamu

Hong Ye Ji

as [Clothing store salesperson] (Ep. 5, 7)

Bintang Tamu

Park Joo Young

as Amy (Ep. 6)

Bintang Tamu

Kim Hyun Chang

as [Delivery man] (Ep. 7)

Bintang Tamu

Yoon Seo Hyun

as [Kingdom Delivery boss] (Ep. 7)

Bintang Tamu

Lee Moo Nyoung

as [Delivery Kingdom driver] (Ep. 7)

Bintang Tamu

Hong Boo Hyang

as [Apartment building owner] (Ep. 7)

Bintang Tamu

Park Noh Shik

as [Man Bok Real Estate owner] (Ep. 7-8)

Bintang Tamu

Jang Ga Hyun

as Ahn Seo Hee (Ep. 7-11)

Bintang Tamu

Yeom Hae In

as [Trainee] (Ep. 7-11, 13)

Bintang Tamu

Park Chul Min

as [Fortune teller] (Ep. 9)

Bintang Tamu

Park Yoo Hyun

as [Cafe Manager] (Ep. 9, 14)

Bintang Tamu

Kang Hak Soo

as [Insurance manager] (Ep. 9, 16)

Bintang Tamu

Gam So Hyun

as Jung Saet Byul [Young] (Ep. 10)

Bintang Tamu

Kim Sung Jun

as Young Soo (Ep. 12)

Bintang Tamu

Kim Si Hyeon

as [The Show MC] (Ep. 12)

Bintang Tamu

Lee Yeon Kyung

as Hong Jang Mi (Ep. 14-15)

Bintang Tamu

Kim Min Joo

as Park Kyung Hee (Ep. 15)

Bintang Tamu

Kim Yoo Hyeon

as [Rhythm game player] (Ep. 15)

Bintang Tamu

Ayumi

as [Hair salon client] (Ep. 16)

Bintang Tamu

Ahn Soo Ho

as [Plant nursery owner] (Ep. 16)

Bintang Tamu

Jung Ae Yeon

as Hwang Eun Ha

Bintang Tamu

Bo Ra Na

as [Maid]

Bintang Tamu

Shim Hyun Sup

as [Director of Flying Yoga Academy]

Bintang Tamu

Shin Si Ye

as [Convenience store high school student]

Bintang Tamu

Ku Dong Hoon

Bintang Tamu

Park Hae In

Bintang Tamu

Jung A Jeong

as [GS 25 Corporate Office employee]

Bintang Tamu

Park Jung In

as [Bully]

Bintang Tamu

Noh Sung Eun

as [Teen bully] (Ep. 16)

Bintang Tamu

Jung Min Hwan

as [Rhythm game player] (Ep. 15)

Bintang Tamu

Jung Eun Ji (정은지)

as Jung Eun [Dae Hyun's ex-girlfriend] (Ep. 1)

Bintang Tamu

Ryu Seung Soo

as Jung Chul Min [Saet Byul's father] (Ep. 3-4)

Bintang Tamu

Kim Eun Soo

as Choi Yong Pil's friend (Ep. 3, 6)

Bintang Tamu

Ra Jae Woong

as [Kang Ji Wook's manger] (Ep. 4-9)

Bintang Tamu

Lee Se Rang

as [Saet Byul's aunt] (Ep. 5)

Bintang Tamu

Tak Jae Hoon

as [Han Dal Shik's co-worker] (Ep. 5)

Bintang Tamu

Kim Hyung Mook

as [Da Soon's husband] (Ep. 6)

Bintang Tamu

Lee Moon Soo

as [Geum Bi's father] (Ep. 7)

Bintang Tamu

Ju Yeon

as [The Show's MC] (Ep. 12)

Bintang Tamu

Kim Min Kyu

as [The Show's MC] (Ep. 12)

Bintang Tamu

Kang Moon Kyung

as [Han Man Pyung's assistant] (Ep. 16)

Bintang Tamu

Im Ha Ryong

as [Dal Shik's father]

Bintang Tamu

Kim So Hee

as [Saet Byul's classmate]

Bintang Tamu

Choi Min Hyeok

as [Ji Wook's road manager]

Bintang Tamu

Lee Myung Woo

Sutradara

Son Geun Joo

Screenwriter

Park Sung Jin

Bit part