Young Lady and Gentleman

Director

• 
  Shin Chang Seok

Executive Director

• 
  Kim Sang Hwi

Screenwriter

• 
  Kim Sa Kyung

Main Role

• 
  Ji Hyun Woo

  Lee Yeong Guk

  Main Role
• 
  Lee Se Hee

  Park Dan Dan

  Main Role
• 
  Park Ha Na

  Jo Sa Ra

  Main Role
• 
  Kang Eun Tak

  Cha Gun

  Main Role

Support Role

• 
  Lee Jong Won

  Park Su Cheol [Dan Dan's father]

  Support Role
• 
  Oh Hyun Kyung

  Cha Yeon Sil [Dae Beom's mother]

  Support Role
• 
  Ahn Woo Yeon

  Park Dae Beom [Dan Dan's brother]

  Support Role
• 
  Yoon Jin Yi

  Lee Se Ryeon [Yeong Guk's sister]

  Support Role
• 
  Cha Hwa Yun

  Wang Dae Ran [Se Ryeon's mother]

  Support Role
• 
  Lee Hwi Hyang

  Lee Gi Ja [Sa Ra's mother]

  Support Role
• 
  Im Ye Jin

  Jang Mi Suk [Guk Hui's older sister]

  Support Role
• 
  Choi Myung Bin

  Lee Jae Ni [Yeong Guk's daughter]

  Support Role
• 
  Yoo Joon Seo

  Lee Se Chan [Jae Ni's younger brother]

  Support Role
• 
  Seo Woo Jin

  Lee Se Jong [Jae Ni's younger brother]

  Support Role
• 
  Lee Il Hwa

  Anna Kim

  Support Role
• 
  Kim Young Ok

  Jin Dal Rae [Yeon Sil's mother]

  Support Role
• 
  Kim Yi Kyeong

  Kang Mi Rim [Dal Rae's granddaughter]

  Support Role
• 
  Yang Byeong Yeol

  Bong Jun O

  Support Role
• 
  Yoon Ji Sook

  Yeojudaek / Mrs. Yeoju [Woman from Yeoju]

  Support Role
• 
  Eru

  [Yeong Guk's lawyer]

  Support Role

Guest Role

• 
  Choi Jae Sung

  Ma Yeong Pil [Hyeon Bin's father]

  Guest Role
• 
  Bae Do Hwan

  Ma Dong Pil [Hyeon Bin's uncle]

  Guest Role
• 
  Jeon Seung Bin

  Jin Sang Gu [Sa Ra's ex-husband]

  Guest Role
• 
  Kim Min Seo

  Park Dan Dan [Young]

  Guest Role
• 
  Kang Se Jung

  [Dan Dan's biological mom, young]

  Guest Role
• 
  Son Seung Taek

  [Errand Center employee]

  Guest Role
• 
  Choi Hye Seo

  [Neighborhood girl] (Ep. 1)

  Guest Role
• 
  Lim Hye Young

  [Yeong Guk's late wife] (Ep. 1, 4, 15)

  Guest Role
• 
  Wang Bit Na

  Jang Guk Hui [Special appearance] (Ep. 1-5)

  Guest Role
• 
  Lee Hye In

  Eun Ju [Dan Dan's best friend] (Ep. 2)

  Guest Role
• 
  Baek Jae Jin

  [Detective] (Ep. 2)

  Guest Role
• 
  Park Young Soo

  [Sa Ra's blind date] (Ep. 2)

  Guest Role
• 
  Hong Seok Cheon

  [Real estate president] (Ep. 2, 15)

  Guest Role
• 
  Kim Na Hee

  Jessica Lee (Ep. 3)

  Guest Role
• 
  Jo Eun Sook

  [Steel Smile owner] (Ep. 5-6)

  Guest Role
• 
  Yang Chi Seung

  [Man who came to see the house] (Ep. 6)

  Guest Role
• 
  Park Gwang Jae

  [Man who came to see the house] (Ep. 6)

  Guest Role
• 
  Choi Wan Jung

  [BBQ restaurant owner] (Ep. 9)

  Guest Role
• 
  Son Seon Geun

  Doctor Kim (Ep. 9, 19, 40)

  Guest Role
• 
  Kim Young Hee

  [Officetel owner] (Ep. 11)

  Guest Role
• 
  Yang Jae Won

  [Officetel security] (Ep. 11, 19, 34)

  Guest Role
• 
  Oh Young Shil

  Mrs. Jung (Ep. 12-13, 16-17)

  Guest Role
• 
  Kim Young Joon

  O Gyeong Seok (Ep. 12-16)

  Guest Role
• 
  Kim Hye Won

  Hye Jeong [Gyeong Seok's friend] (Ep. 13-16)

  Guest Role
• 
  Im Jae Geun

  Kang Seong Sik [Yeong Guk's friend] (Ep. 16)

  Guest Role
• 
  Jeon Won Joo

  [Grandmother] (Ep. 17)

  Guest Role
• 
  Kim Yun Seul

  [Movie girl] (Ep. 20)

  Guest Role
• 
  Lee Tae Ri

  Ma Hyeon Bin (Ep. 21-23, 45-47, 49)

  Guest Role
• 
  Lee Myung Ho

  [Cinematographer] (Ep. 23-24)

  Guest Role
• 
  Park Hyun Jung

  [Orphanage nun] (Ep. 34, 36)

  Guest Role
• 
  Moon Hee Kyung

  [Seung Ho's mother] (Ep. 36)

  Guest Role
• 
  Kim Ka Yeon

  Ms. Kim (Ep. 38)

  Guest Role
• 
  Lee Min Ji

  [Dan Dan's school senior] (Ep. 48)

  Guest Role
• 
  Oh Seung Ah

  An Ji Min (Ep. 49-50)

  Guest Role
• 
  Kim Dae Kook

  [Reporter]

  Guest Role
• 
  Kim Young Mi

  [Professor]

  Guest Role
• 
  Jang Eun Seo

  [Restaurant staff]

  Guest Role
• 
  Cha Yu Jin

  [Bride's friend]

  Guest Role
• 
  Choi Seul Ki

  [Nurse]

  Guest Role
• 
  Lim Jin Han

  [Golf instructor] (Ep. 33)

  Guest Role

Extras Casting

• 
  Yoon Seo Yeon

  Kang Mi Rim [Young]

  Extras Casting

Unknown

• 
  Seo Kwang Jae Unknown
• 
  Lee Jung Woo Unknown
• 
  Kim Jin Hyeon Unknown