Pemeran My Dearest Nemesis

Mun Ka Young (문가영)

as Baek Su Jeong

Pemeran Utama

Choi Hyun Wook (최현욱)

as Ban Ju Yeon

Pemeran Utama

Im Se Mi (임세미)

as Seo Ha Jin

Pemeran Utama

Kwak Shi Yang (곽시양)

as Kim Sin Won

Pemeran Utama

Kim Young Ah

as Kwon In Gyeong [Ju Yeon’s secretary]

Pemeran Pembantu

Kim Woo Kyum

as Yang Jun Su [Yongsung Department Store planning team member]

Pemeran Pembantu

Lim Young Ju

as Choi Na Na [Yongsung Department Store planning team member]

Pemeran Pembantu

Seong Seung Ha

as Kim Seok Hui [Yongsung Department Store planning team member]

Pemeran Pembantu

Yoon Young Min

as Hye Ju [Yongsung employee] (Ep. 2, 4-6, 8-10, 12)

Pemeran Pembantu

Moon Woo Jin

as Ban Ju Yeon [Teen]

Pemeran Pembantu

Ban Hyo Jung

as Jung Hyo Seon [Ju Yeon's grandmother]

Pemeran Pembantu

Ko Chang Seok

as Baek Won Seop [Su Jeong's father]

Pemeran Pembantu

Son Sang Yeon (손상연)

as Baek Su Bin [Su Jeong's brother]

Pemeran Pembantu

Choi Geon

as “Bean Bug” (Ep. 1)

Bintang Tamu

Oh Eui Shik

as "TVXQ-tip" (Ep. 1)

Bintang Tamu

Kim Hee Chang

as Director Choi (Ep. 1)

Bintang Tamu

Yang Joon Seok

as Baek Su Bin [Teen] (Ep. 1)

Bintang Tamu

Lee Dong Geun

as [Manager] (Ep. 1)

Bintang Tamu

Park Yun Ho

as [Manager] (Ep. 1)

Bintang Tamu

Kim Sun Hyuk

as [Manager] (Ep. 1)

Bintang Tamu

WillyK

as [Rock band member] (Ep. 1-2, 6, 12)

Bintang Tamu

Denny Lee

as [Rock band member] (Ep. 1-2, 6, 12)

Bintang Tamu

Cyan

as [Rock band member] (Ep. 1-2, 6, 12)

Bintang Tamu

Vincent

as [Rock band vocalist] (Ep. 1-3, 6, 12)

Bintang Tamu

Park Jin U

as [Toy boy] (Ep. 2)

Bintang Tamu

Lee Rang Seo

as [Waitress] (Ep. 2)

Bintang Tamu

Lee Ha Joo

as [Party woman] (Ep. 2)

Bintang Tamu

Yoon Jun Won

as [Chaebol man provoking Ju Yeon] (Ep. 2)

Bintang Tamu

Kim Seung Ho

as Seo Gang Min [Chaebol] (Ep. 2-3, 6)

Bintang Tamu

Pyo Young Seo

as Eun Hui [Sin Won’s girlfriend] (Ep. 2, 6)

Bintang Tamu

Kim Bong Jo

as [Delivery man] (Ep. 3)

Bintang Tamu

Woo Hee Jin

as [Ju Yeon’s mother] (Ep. 3-4)

Bintang Tamu

Kim Hak Seon

as [Ha Jin’s dad] (Ep. 3, 6-7, 10)

Bintang Tamu

Yoon Bok In

as [Ha Jin’s mom] (Ep. 3, 6-7, 10)

Bintang Tamu

Kim Mi Ran

as Deputy Yun (Ep. 4)

Bintang Tamu

Gu Hyun

as Ban Ju Yeon [Child] (Ep. 4)

Bintang Tamu

Jang Jae Kwon

as [Doctor] (Ep. 4)

Bintang Tamu

Kim Kwon

as [Boy’s dad] (Ep. 4)

Bintang Tamu

Jo Seung Yun

as [Sin Won’s dad] (Ep. 4)

Bintang Tamu

Jo Hyun Sik

as [Sin Won’s friend] (Ep. 4)

Bintang Tamu

Hwang Yu Na

as Baek Su Jeong [Young] (Ep. 4, 9)

Bintang Tamu

Lee Ji Hyun

as [Sin Won’s mom] (Ep. 4, 10)

Bintang Tamu

Park Jeong Ja

as An Jae Suk [Ganghan Farm CEO] (Ep. 5-6)

Bintang Tamu

Hong Jong Hyun (홍종현)

as Yun Ji U [Su Jeong’s blind date] (Ep. 6-7)

Bintang Tamu

Kim Sang Il

as [Gang Min’s dad] (Ep. 6)

Bintang Tamu

Kim Min Suk

as [Security guard] (Ep. 7)

Bintang Tamu

Yoon Bak (윤박)

as Lee Hyeong Geun [Customer] (Ep. 8)

Bintang Tamu

Lee Ho Jin

as [Ha Jin’s friend] (Ep. 8)

Bintang Tamu

Bae So Eun

as [Ha Jin’s friend] (Ep. 8)

Bintang Tamu

Park Ji Ho

as [Sin Won’s friend] (Ep. 8)

Bintang Tamu

Cha Young Nam

as [Sin Won’s friend] (Ep. 8)

Bintang Tamu

Jang Seo Yi

as [Arteta Asia CEO] (Ep. 8)

Bintang Tamu

Kim So Min

as Yong Jun (Ep. 9)

Bintang Tamu

Park Soo Min

as [Teacher] (Ep. 9)

Bintang Tamu

Shin Hyun Soo (신현수)

as [Ex-husband] (Ep. 10)

Bintang Tamu

Lee Moo Nyoung

as [Maintenance worker] (Ep. 10)

Bintang Tamu

Kim Yong Jin

as [Maintenance worker] (Ep. 10)

Bintang Tamu

Lee Eun Joo

as Kim Mi Jeong (Ep. 11)

Bintang Tamu

Son Joo Yeon

as [Dentist] (Ep. 11)

Bintang Tamu

Cha Yong Hwan

as [Reporter] (Ep. 11)

Bintang Tamu

Shin Hee Gook

as [Reporter] (Ep. 11)

Bintang Tamu

Lee Chang Won

as [Employee] (Ep. 11)

Bintang Tamu

Park Bo Eun

as [Employee] (Ep. 11)

Bintang Tamu

Lin Da Jeon

as [Colleague] (Ep. 11)

Bintang Tamu

Park Sung Jin

as Deok Gu (Ep. 1)

Bintang Tamu

Park Sol La

as Lee Mi So

Bintang Tamu

Kang Myoung Soo

as [Department store branch manager]

Bintang Tamu

Park Jun Seo

as [Director Park]

Bintang Tamu

Kim Tae Hoon

as [Ju Yeon's father] (Ep. 3-4)

Bintang Tamu

Lee Soo Hyun

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