Chicago Typewriter

Composer

• 
  Nam Hye Seung
• 
  Park Sang Hee

Director

• 
  Kim Chul Gyu

Editor

• 
  Kim Na Young

Screenwriter

• 
  Jin Soo Wan

Main Role

• 
  Yoo Ah In

  Han Se Ju | Seo Hwi Yeong

  Main Role
• 
  Lim Soo Jung

  Jeon Seol | Ryu Su Hyeon

  Main Role
• 
  Go Kyung Pyo

  Yoo Jin O | Sin Yul Yeok

  Main Role
• 
  Kwak Shi Yang

  Baek Tae Min | Heo Yeong Min

  Main Role

Support Role

• 
  Jo Woo Jin

  Gal Ji Seok

  Support Role
• 
  Oh Na Ra

  Secretary Kang [Han Se Ju's secretary]

  Support Role
• 
  Yang Jin Sung

  Ma Bang Jin

  Support Role
• 
  Jeon Soo Kyung

  Wang Bang Ul

  Support Role
• 
  Kang Hong Suk

  Won Dae Han

  Support Role
• 
  Ji Dae Han

  Won Man Hae

  Support Role
• 
  Cheon Ho Jin

  Baek Do Ha

  Support Role
• 
  Jo Kyung Sook

  Hong So Hui

  Support Role
• 
  Seo Hye Jin

  Ribera

  Support Role
• 
  Shim Min

  Mi Yeong

  Support Role
• 
  Kim Sung Hoon

  Lee Jung Bong

  Support Role
• 
  Park Seon Im

  Hanna Kim

  Support Role
• 
  Kim Hyun Sook

  Doctor Su

  Support Role
• 
  Choi Seo Yeon

  [Jeon Seol's colleague]

  Support Role
• 
  Cha Geon Woo

  [Sin Yul's butler]

  Support Role
• 
  Jung Yeon Joo

  [Bang Jin's colleague]

  Support Role
• 
  Na Hye Jin Support Role

Guest Role

• 
  Yoo Byung Jae

  [Deer keeper] (Ep. 2)

  Guest Role
• 
  Choi Duk Moon

  [Jeon Seol's father] (Ep. 3, 16)

  Guest Role
• 
  Lee Lu Da

  [Five girls member] (Ep. 3)

  Guest Role
• 
  Bo Na

  [Five girls member] (Ep. 3)

  Guest Role
• 
  Seol A

  [Five girls member] (Ep. 3)

  Guest Role
• 
  Eun Seo

  [Five girls member] (Ep. 3)

  Guest Role
• 
  Jo Young Hoon

  [Veterinary surgeon in an animal hospital]

  Guest Role
• 
  Choi Gyo Shik

  [Se Ju's gardener]

  Guest Role
• 
  Jeong Young Do

  [Broadcasting reporter]

  Guest Role
• 
  Jung Byung Ho

  Yang Ho Pil [Neuropsychiatrist]

  Guest Role
• 
  Woo Do Im

  Cho Sang Mi [Cho Sang Cheol's younger sister]

  Guest Role
• 
  Jeon Mi Seon

  Im So Yun | Madame Sophia [Former manager of Carpe Diem] (Ep. 9, 10)

  Guest Role
• 
  Kang Ha Kyung

  Cho Sang Cheol [Stalker]

  Guest Role
• 
  Choi Myung Bin

  Jeon Seol [Young]

  Guest Role
• 
  Son Sang Yeon

  Baek Tae Min [Young]

  Guest Role
• 
  Choi Min Yeong

  Han Se Ju [Young]

  Guest Role
• 
  Jeon Jin Ki

  [Director of the bureau of military affairs]

  Guest Role
• 
  Song Joon Hee

  Won Dae Han [Young]

  Guest Role
• 
  Jo Min Ah

  Ryu Su Hyeon [Young]

  Guest Role
• 
  Byun Joo Hyun

  [Director of the bureau of the military manpower administration in the 1920s]

  Guest Role
• 
  Kwak Ji Hye

  Ma Bang Jin [Young]

  Guest Role
• 
  John D. Michaels

  [Café owner]

  Guest Role
• 
  Park Ji Hoon

  Jeon Du Yeop

  Guest Role
• 
  Ha Roo Bi

  Ru Bi

  Guest Role
• 
  Im Ho Joon

  [Detective]

  Guest Role
• 
  Cha Soon Hyung

  [Japanese police]

  Guest Role
• 
  Lee Yu Jin

  [Dancing girl]

  Guest Role
• 
  Kim Ki Soo

  [Stalker]

  Guest Role

Unknown

• 
  Jeon Min Hyup Unknown
• 
  Kang Hak Soo Unknown
• 
  Yoon Bok Sung Unknown
• 
  Chu Yeon Gyu Unknown