The Time We Were Not in Love

Composer

• 
  Mun Seong Nam

Director

• 
  Jo Soo Won

Screenwriter

• 
  Jung Do Yoon
• 
  Lee Ha Na

Main Role

• 
  Ha Ji Won

  Oh Ha Na

  Main Role
• 
  Lee Jin Wook

  Steward Choi Won

  Main Role
• 
  Yoon Kyun Sang

  Pianist Cha Seo Hoo

  Main Role
• 
  Choo Soo Hyun

  Lee So Eun

  Main Role

Support Role

• 
  Shin Jung Keun

  Oh Jung Geun [Ha Na's father]

  Support Role
• 
  Seo Joo Hee

  Kim Su Mi [Ha Na's mother]

  Support Role
• 
  Lee Ju Seung

  Oh Dae Bok

  Support Role
• 
  Jin Kyung

  Head stewardess Choi Mi Hyang [Won's cousin]

  Support Role
• 
  Kang Rae Yeon

  Kang Na Young [Ha Na's best friend]

  Support Role
• 
  Choi Dae Chul

  Mr. Yoon [Seo Hoo's manager]

  Support Role
• 
  Choi Jung Won

  Joo Ho Joon [Ha Na's ex-boyfriend]

  Support Role
• 
  Woo Hyun

  Byun Woo Shik [Ha Na's boss]

  Support Role
• 
  Bae Woo Hee

  Hong Eun Jung [Ha Na's subordinate]

  Support Role
• 
  Jang Sung Won

  Bong Woo Jin

  Support Role
• 
  Seo Dong Geon

  Jang Dong Geon

  Support Role
• 
  Lee Ah Rin

  Jung Mi [Ha Na's best friend]

  Support Role
• 
  Jeon Jae Hyung

  Chang Soo [Jung Mi's boyfriend]

  Support Role
• 
  Hong In Young

  Wang Bit Na [Ha Na's rival]

  Support Role
• 
  Go Won Hee

  Yoon Min Ji [Bit Na's subordinate]

  Support Role
• 
  Park Jong Hoon

  Pianist Park Jong Hoon [Seo Hoo's teacher]

  Support Role
• 
  Lee Dong Jin

  Song Min Kook

  Support Role
• 
  Kim Kang Il

  [JM representative]

  Support Role
• 
  Oh Yoo Na

  Ji Oh

  Support Role
• 
  Lee Jung Chul

  [Bridegroom's father]

  Support Role

Guest Role

• 
  Jang Hee Soo

  [Choi Won's mother]

  Guest Role
• 
  Hong Seok Cheon

  [Passenger in the airplane] (Ep. 1)

  Guest Role
• 
  Kim Myung Soo

  Ki Sung Jae (Ep. 2-4)

  Guest Role
• 
  Yoon Sang Hyun

  [Ha Na's second potential date] (Ep. 2)

  Guest Role
• 
  Ohn Joo Wan

  [Ha Na's third potential date] (Ep. 2)

  Guest Role
• 
  Akiyama Yoshihiro

  [Ha Na's first potential date] (Ep. 2)

  Guest Role
• 
  Park Joon Myun

  [Customer in the shoes store] (Ep. 2)

  Guest Role
• 
  Jang Su Won

  [Won's blind date friend]

  Guest Role
• 
  Hwang Seok Jeong

  [Passenger in the airplane] (Ep. 3)

  Guest Role
• 
  Shin Eun Kyung

  Goo Yun Jung (Ep. 3)

  Guest Role
• 
  Kim Kwang Sub

  [Won's friend]

  Guest Role
• 
  Park Tam Hee

  Min Ji Su [CEO of Seo Hu's agency]

  Guest Role
• 
  Kim Gi Hyeon

  Park Young Soo [Won and Ha Na's high school teacher]

  Guest Role
• 
  Park Doo Shik

  Eun Dae Yun

  Guest Role
• 
  Lee Sung Deuk

  [Ha Na's university alumnus]

  Guest Role
• 
  Go Man Kyu Guest Role
• 
  Hwang Mi Young Guest Role
• 
  Min Hye Su Guest Role

Unknown

• 
  Jo Sun Mook Unknown
• 
  Noh Kang Min Unknown
• 
  Kim Yong Seok Unknown