Pemeran A Gentleman's Dignity

Jang Dong Gun (장동건)

as Kim Do Jin

Pemeran Utama

Kim Ha Neul

as Seo Yi Soo

Pemeran Utama

Kim Soo Ro

as Im Tae San

Pemeran Utama

Kim Min Jong

as Choi Yo On

Pemeran Utama

Lee Jong Hyuk

as Lee Jung Rok

Pemeran Utama

Yoon Se Ah (윤세아)

as Hong Se Ra

Pemeran Utama

Kim Jung Nan

as Park Min Sook

Pemeran Utama

Yoon Jin Yi

as Im Me Ah Ri

Pemeran Utama

Lee Jong Hyun

as Collin

Pemeran Pembantu

Kim Woo Bin (김우빈)

as Kim Dong Hyeop [Highschool student]

Pemeran Pembantu

Jang Eui Soo

as [Student]

Pemeran Pembantu

Yoon Joo Man

as Team Leader Choi [Hwa Dam's Employee]

Pemeran Pembantu

Park Ah In

as Lawyer Kang [Yo On's colleague]

Pemeran Pembantu

Nam Hyun Joo

as Park Hyun Joo [Teacher / Yi Soo's colleague]

Pemeran Pembantu

Park Joo Mi

as Kim Eun Hee [Collin's Mother]

Pemeran Pembantu

Kim Gun

as Kim Gun [Hwa Dam's Employee]

Pemeran Pembantu

Han Eun Sun

as Young Ran [Hwa Dam's employee]

Pemeran Pembantu

Lee Ji Hoon

as Kim Beop Rae [Se Ra's friend]

Pemeran Pembantu

Ahn Jae Min

as Yoo Sung Jae

Bintang Tamu

Kim Yun Seo

as Kim Eun Ji (Ep.2, 4, 6)

Bintang Tamu

Jo Jae Yun (조재윤)

as [Police officer] (Ep. 1)

Bintang Tamu

Kim Dong Gyun

as Na Jong Suk (Ep. 11)

Bintang Tamu

Choi Soo Young (최수영)

as [Herself] (Ep.5)

Bintang Tamu

Juniel

as [Street performer at Hongdae playground] (Ep. 13)

Bintang Tamu

Han Seo Yeon

as [Shoes storekeeper] (Ep. 5)

Bintang Tamu

Ha Soo Ho

as [Night club guard] (Ep.19)

Bintang Tamu

Han Dong Hwan

Bintang Tamu

Lee Suk Koo

as [Father of Im Tae San & Im Mae Ri] (Ep.20)

Bintang Tamu

Son Hee Soon

as [Mother of Im Tae San & Im Mae Ri] (Ep.20)

Bintang Tamu

Kim Deuk Gyum

as [School bully]

Bintang Tamu

Jung Yeun

as [Detective]

Bintang Tamu

Yoo Jang Young

Bintang Tamu

Park Seong Kyun

as [Reporter]

Bintang Tamu

Choi Young

as [Detective]

Bintang Tamu

Yoo Il Han

as [Night club waiter] (Ep. 19-20)

Bintang Tamu

Yook Mi Ra

as [Pub Owner]

Bintang Tamu

Son Jong Hak

as [Caddy] (Ep.4, 13)

Bintang Tamu

Jo Duk Je

as Park Kyeong Deok [CEO]

Bintang Tamu

Han Young Kwang

as [Advertiser]

Bintang Tamu

Min Joon Hyun

as [Man exercising at the gym]

Bintang Tamu

Hwang Seok Jeong

as [Store Boss]

Bintang Tamu

Mi So Yun

as [Clothing store employee]

Bintang Tamu

Ki Eun Se

as [Cafe woman]

Bintang Tamu

An So Jin

Bintang Tamu

Lee Mi Do

as [Blind date girl]

Bintang Tamu

Ahn Soo Ho

as [Constructor Worker]

Bintang Tamu

Kim Jae Yeong

as [Dance Club date] (Ep. 5)

Bintang Tamu

Shin Young Jin

as [Woman who brought her child to the funeral of the managing director of a pharmaceutical company]

Bintang Tamu

Cha Ji Hoon

Bintang Tamu

Oh Ah Rang

Bintang Tamu

Kim Gwang In

as [Doctor] (Ep.7)

Bintang Tamu

Kim Sun Hwa

as Chairwoman Song [Private Kim's mother] (Ep.15)

Bintang Tamu

Cha Hwa Yun

as [Yi Soo's Mother] (Ep. 16 & 19)

Bintang Tamu

Ahn Hye Kyung

as [Choi Yoon's client] (Ep.2 & 10)

Bintang Tamu

Hwang Eun Soo

as [Se Ra's junior golfer] (Ep.9 & 12)

Bintang Tamu

Sa Hee

as [Do Jin's seducer in the bar] (Ep.1)

Bintang Tamu

Kim Kwang Gyu

as [The guys' high school teacher](Ep.4)

Bintang Tamu

Jung Yong Hwa

as [Yi Soo's former student] (Ep. 13)

Bintang Tamu

Kim Sung Oh

as Private Kim [Chairwoman Song's son] (Ep.15)

Bintang Tamu

Jang Joon Yoo

as [Tae San's blind date girl] (Ep.16)

Bintang Tamu

Shin Hye Jung

as [Jong Suk's daughter] (Ep.3)

Bintang Tamu

Lee Joon Hee

as Kwon [Hwa Dam's employee]

Bintang Tamu

Lee Jung Sung

as [Son raised alone by Yi Soo's mother]

Bintang Tamu

Hong Seung Beom

as [Park Min Sook's Assistant]

Bintang Tamu

Lee Yong Yi

as Lee Mi Gyeong [Yo On's mother-in-law]

Bintang Tamu

Jung Yoo Chan

as [Seo Yi Soo's blind date]

Bintang Tamu

Kang Shin Hyo

Chief Producer

Park Se Jun

Composer

Kwon Hyuk Chan

Sutradara

Shin Woo Cheol

Sutradara

Kim Jung Hyun

Sutradara

Kim Eun Sook

Screenwriter

Jang Ga Hyun

as [Min Sook's friend]

Bit part