Pemeran The Impossible Heir

Lee Jae Wook (이재욱)

as Han Tae Oh

Pemeran Utama

Lee Jun Young (이준영)

as Kang In Ha

Pemeran Utama

Hong Su Zu

as Na Hye Won

Pemeran Utama

Choi Jin Ho

as Kang Joong Mo

Pemeran Pembantu

Kim Ho Jung

as Jang Geum Suk

Pemeran Pembantu

Han Sang Jin

as Kang In Joo

Pemeran Pembantu

Lee Ji Hoon (이지훈)

as Kang Seong Ju

Pemeran Pembantu

Choi Hee Jin

as Kang Hee Joo

Pemeran Pembantu

Ko Chang Seok

as Chae Dong Wook

Pemeran Pembantu

Heo Nam Jun (허남준)

as Ha Myung Jin

Pemeran Pembantu

Jang Hyuk Jin

as Chu Hyeok Jin [Jung Mo's secretary]

Pemeran Pembantu

Kim Young Joo

as Yoon Hyang Mi [Hye Won's mother]

Pemeran Pembantu

Lee Kang Ji

as Heo Byung Sung (Ep. 1)

Bintang Tamu

Lee Si On

as Han Tae Ho [Child] (Ep. 1)

Bintang Tamu

Woo Hyun

as [Village chief] (Ep. 1)

Bintang Tamu

Byeon Gyeong Rok

as [Teaching assistant] (Ep. 1)

Bintang Tamu

Kang Hak Soo

as [Homeroom teacher] (Ep. 1)

Bintang Tamu

Choi Nam Uk

as [Convenience store owner] (Ep. 1)

Bintang Tamu

Lim Su Hyeon

as Ms. Jin (Ep. 2)

Bintang Tamu

Kim Sang Bo

as Seo Yeol (Ep. 2)

Bintang Tamu

Sung Ji Ru

as Boss Tak (Ep. 2)

Bintang Tamu

Yoon Se Woong

as Mr. Moon (Ep. 2)

Bintang Tamu

Ahn Dong Yeob

as Bong Man (Ep. 2)

Bintang Tamu

Seo Suk Gyu

as Secretary Lee (Ep. 2)

Bintang Tamu

Lee Kyung Oh

as Seo Won Hae (Ep. 3)

Bintang Tamu

Kim Soo Jung

as Kim Hyun Seok (Ep. 3)

Bintang Tamu

Lee Hwang Ui

as In Kyu Dong [Hospital director] (Ep. 3)

Bintang Tamu

Yoo Byung Sun

as [Reseacrher] (Ep. 3)

Bintang Tamu

Kim Hyuk Jong

as [Sun Dong’s aide] (Ep. 3)

Bintang Tamu

Kim Ji Na

as [Host club manager] (Ep. 3)

Bintang Tamu

Shin Jun Chul

as [Stock market manager] (Ep. 4)

Bintang Tamu

Shin Hee Gook

as [Stock market staff] (Ep. 4)

Bintang Tamu

Jang Eun Seo

as [Kang Oh Securities staff] (Ep. 4)

Bintang Tamu

Yang Hee Woo

as [Kang Oh Securities staff] (Ep. 4)

Bintang Tamu

Richard Kim

as Jeong Jin Ho (Ep. 5)

Bintang Tamu

Jin Shi Won

as [Team leader] (Ep. 5)

Bintang Tamu

Kwon Tae Jin

as [In Joo’s friend] (Ep. 5)

Bintang Tamu

Jang Se Hwan

as [Doctor] (Ep. 6)

Bintang Tamu

Song Chang Gyu

as [Gambler] (Ep. 6)

Bintang Tamu

Ban Eun Se

as Park Jin Kyung (Ep. 7)

Bintang Tamu

Yun Ki Chang

as [Detective] (Ep. 7)

Bintang Tamu

Heo Seon Haeng

as [Judge] (Ep. 7-8)

Bintang Tamu

Lee Dong Soo

as [Lawyer] (Ep. 7-8)

Bintang Tamu

Jung Han Bin

as [Prosecutor] (Ep. 7-8)

Bintang Tamu

Kim Wang Do

as [Prison guard] (Ep. 7-8)

Bintang Tamu

Park Bin

as [Prison guard] (Ep. 8-9)

Bintang Tamu

Han Dae Gwan

as [Director] (Ep. 10)

Bintang Tamu

Kim Woo Jin

as [Cellphone technician] (Ep. 10)

Bintang Tamu

Im Yong Soon

as [Judge] (Ep. 10)

Bintang Tamu

Kaare Svejgaard Olsen

as James B. Olson (Ep. 10)

Bintang Tamu

Kim Tae Hoon

as [Prison guard] (Ep. 11)

Bintang Tamu

Jung Ho

as [Staff] (Ep. 11-12)

Bintang Tamu

Kim Jung Soo

as [Judge] (Ep. 12)

Bintang Tamu

Robin Deiana

as Amico

Bintang Tamu

Gong Yoo Rim

as Ma Ju Yi

Bintang Tamu

Lee Jang Won

as Chief Ma

Bintang Tamu

Choi Byung Mo

as Han Kil Su

Bintang Tamu

Jung Han Bit

as Shin Bo Na

Bintang Tamu

Lee Seo An (이서안)

as Jung Ji Sun

Bintang Tamu

Yoon Jung Hoon

as Ko Hui Chan

Bintang Tamu

Kwon Tae Won

as Jo Sun Dong

Bintang Tamu

Lee Do Hyung

as Yang Ji Hoon

Bintang Tamu

Jang Ma Ru

as Sun Woo Wan

Bintang Tamu

Park Joong Geun

as Oh Gyeong Cheol

Bintang Tamu

Kim Woo Dam

as Jung Dong Myung

Bintang Tamu

Gu Hyun

as Kang In Ha [Child]

Bintang Tamu

Kwak Yeong Seon

as Jeon Yeong Min (Ep. 3)

Bintang Tamu

Kang Do Yoon

as [Gang subordinate] (Ep. 8)

Bintang Tamu

Cho Myeong Gyun

as [Member of Tae O’s group]

Bintang Tamu

Kwon Hyuk

as [In Ju's assistant] (Ep. 4)

Bintang Tamu

Jung Hye Jin

as Seo Ji Sook [Tae Oh's mother]

Bintang Tamu

Min Yeon Hong

Sutradara

Choi Won

Screenwriter