Quantum Physics

Cinematography

• 
  Park Hong Yeol

Composer

• 
  Noh Hyeong Woo

Costume Designer

• 
  Lee Hye Ran

Production Sound Mixer

• 
  Lee Seung Yeop

Screenwriter & Director

• 
  Lee Sung Tae

Visual Effects

• 
  Lee Jin Ah
• 
  Park Min Seon
• 
  Kim Jeong Min

Main Role

• 
  Park Hae Soo

  Lee Chan Woo

  Main Role
• 
  Seo Yea Ji

  Sung Eun Young

  Main Role
• 
  Kim Sang Ho

  Park Ki Heon

  Main Role

Support Role

• 
  Kim Eung Soo

  Jung Gap Taek [Chairman / Gang boss]

  Support Role
• 
  Kim Won Shik

  Mr. Min [Public Information Section team leader]

  Support Role
• 
  Byun Hee Bong

  Baek Young Gam [Chairman]

  Support Role
• 
  Im Chul Soo

  Kim Sang Su

  Support Role
• 
  Kim Young Jae

  Choi Ji Hun [CEO of Broadcast]

  Support Role
• 
  Lee Chang Hoon

  Yang Yoon Shik [Prosecutor]

  Support Role
• 
  Kim Dae Kook

  [Club executive]

  Support Role
• 
  Hyeon Jik

  [Party team member]

  Support Role
• 
  Kim Jung Woo

  Prosecutor Choi

  Support Role
• 
  Kim Bo Ryung

  [Female celebrity #3]

  Support Role
• 
  Bae Gi Beom

  Jo Moon Ik

  Support Role
• 
  Lee Sang Kyung

  [Sang Soo's girlfriend]

  Support Role
• 
  Son Jong Hak

  Kim [Hanbit Ilbo general manager]

  Support Role
• 
  Joo Seok Tae

  Mr. Moon [Gap Taek's rightman]

  Support Role
• 
  Hyun Bong Sik

  Kim Gwan Cheol

  Support Role
• 
  Park Kwang Seon

  Fractal [Rapper]

  Support Role
• 
  Park Sung Yun

  [Yoon Shik's assistant clerk]

  Support Role
• 
  Park Gwang Jae

  [Elder Baek's assistant]

  Support Role
• 
  Yoo Young Bok

  [Manager, Criminal Intelligence Division

  Support Role
• 
  Kim Wang Geun

  [Assistant prosecutor general]

  Support Role
• 
  Kim Won Mok

  [Moon's lacky]

  Support Role
• 
  Ahn Jae Won

  [Fractal companion #1]

  Support Role
• 
  Kim Mi Hye

  Lee Sun Hee [Reporter]

  Support Role

Guest Role

• 
  Ji Chan

  [Criminal Intelligence Division Detective #2]

  Guest Role
• 
  Lee Yang Hee

  [Investor 1]

  Guest Role
• 
  Kim Joo Ryoung

  [Investor]

  Guest Role
• 
  Kim Sung Joon

  [Investor 3]

  Guest Role
• 
  Kwon Do Woon

  [Bartender]

  Guest Role
• 
  Yoo Jung Ho

  [Detective who arrests Choi Ji Hoon]

  Guest Role
• 
  Nam Tae Woo

  [TV panel]

  Guest Role
• 
  Lee Tae Young

  [Prosecution investigator]

  Guest Role
• 
  Han So Eun

  [Female celebrity]

  Guest Role
• 
  Lee Dong Yong

  [District clerk]

  Guest Role
• 
  Kim Dong Hyun

  [City official]

  Guest Role
• 
  Choi Tae Joon

  Kim Jeong Min [Baek's son]

  Guest Role
• 
  Kim Byung Chul

  [Reporter #1 on Park Gi Heon's case]

  Guest Role
• 
  Kim Do Ha

  [Party team 1]

  Guest Role
• 
  Heo Yoo Ri

  [Reporter 2 on Park Gi Heon's case]

  Guest Role

Bit part

• 
  Yoon Jane

  [Announcer #1]

  Bit part
• 
  Kim Dong In

  [Investor #4]

  Bit part
• 
  Byun Jung Hyun

  [Department Head Moon's subordinate]

  Bit part
• 
  Ryu Si An Bit part
• 
  Im Eun Ji

  [Girlfriend]

  Bit part
• 
  Shin Jae Min

  [Chief Moon's man]

  Bit part
• 
  Jo Ah Jin

  [Armandy woman]

  Bit part
• 
  Yoo In Sun

  [Head Moon's men]

  Bit part
• 
  Yoon Se Eun

  [Room girl]

  Bit part

Unknown

• 
  Min Chae Min Unknown
• 
  Kim Hye Ji Unknown

Extras Casting

• 
  Kim Yo Han

  [Club guy]

  Extras Casting