Modern Boy

Assistant Director

• 
  Woo Moon Gi

Cinematography

• 
  Kim Tae Gyeong

Composer

• 
  Lee Jae Jin

Costume Designer

• 
  Cho Sang Kyung
• 
  Lee Hye Ran

Martial Arts Choreographer

• 
  Park Yeong Shik

Producer

• 
  Kang Woo Suk

Screenwriter & Director

• 
  Jung Ji Woo

Visual Effects

• 
  Kang Jong Ik

Main Role

• 
  Park Hae Il

  Hae Myeong

  Main Role
• 
  Kim Hye Soo

  Jo Nan Shil

  Main Role

Support Role

• 
  Kim Nam Gil

  Hidaka Shinsuke

  Support Role
• 
  Hwang Ji No

  Sang Gu

  Support Role
• 
  Lee Sae Byul

  [Yoko Ishida's manager]

  Support Role
• 
  Kim Young Jae

  O Ga I [Nan Sil's brother]

  Support Role
• 
  Hwang Sang Kyung

  Mr. Lee

  Support Role
• 
  Kim Soo Woong

  [Governor of Minami]

  Support Role
• 
  Lee Seung Bi

  Yukiko

  Support Role
• 
  Kwak Min Seok

  [Japanese detective]

  Support Role
• 
  Han Chul Woo

  [School trip teacher]

  Support Role
• 
  Kim Tae Han

  Baek Sang Heo

  Support Role
• 
  Jeon Bae Soo

  [Land Survey Bureau]

  Support Role
• 
  Hwang Min Ho

  [Japanese soldier]

  Support Role
• 
  Hong Seung Jin

  Cheol Kwon

  Support Role
• 
  Hong Sang Jin

  Sang Goo

  Support Role
• 
  Yamanouchi Tasuku

  [Japanese instructor]

  Support Role
• 
  Yoon Jong Won

  Yamamoto

  Support Role
• 
  Shin Goo

  [Hae Myeong's father]

  Support Role
• 
  Kim Kwang Gyu

  Park Ka Song

  Support Role
• 
  Moon Won Ju

  [Large detective]

  Support Role
• 
  Im Seo Yeon

  Yoko Ishida

  Support Role

Guest Role

• 
  Jo Moon Eui

  [Research bureau section chief]

  Guest Role
• 
  Seo Jin Won

  [Man at stables]

  Guest Role
• 
  Joo Seok Tae

  [Detective wearing a beret]

  Guest Role
• 
  Kwon Jung Min

  [Japanese employee]

  Guest Role
• 
  Park Geon

  [Member of Saae]

  Guest Role
• 
  Shin Young Jin

  [Dressmaking Shop owner]

  Guest Role
• 
  Han Soo Yeon

  [Pink Lip gloss Modern Girl]

  Guest Role
• 
  Park Sung Hyun

  [Modern Boy]

  Guest Role
• 
  Lee Moon Jung

  [Cafe employee]

  Guest Role
• 
  Park Gun

  [Member of Saae]

  Guest Role

Bit part

• 
  Jo Hyun Woo

  [Land survey bureau colleague]

  Bit part
• 
  Ji Sung Geun

  [Easy-going man]

  Bit part
• 
  Yu Min Seok

  [Cultural club band]

  Bit part
• 
  Ha Jin Soo

  [Japanese soldier]

  Bit part
• 
  Gwak Yong Geun Bit part
• 
  Moon Hyuk

  Saae Dan Won

  Bit part
• 
  Lee Na Ri

  [School girl]

  Bit part
• 
  Lee Kan Hee

  [Madame]

  Bit part
• 
  Son Hwa Ryung

  [Modern girl]

  Bit part
• 
  Kim Ki Cheon

  [Boarding house owner]

  Bit part
• 
  Oh Yong

  [Bald man]

  Bit part
• 
  Jeong Min Sung

  [Japanese staff]

  Bit part
• 
  Kim Sun Bin

  [Member of Saae]

  Bit part
• 
  Lee Gwang Su

  [Atlantis cafe manager]

  Bit part

Unknown

• 
  Jang Soo Hye Unknown
• 
  Jun Hee Sun

  [Kid at beggar village]

  Unknown