Pemeran The Time We Were Not in Love

Ha Ji Won (하지원)

as Oh Ha Na

Pemeran Utama

Lee Jin Wook (이진욱)

as Steward Choi Won

Pemeran Utama

Yoon Kyun Sang (윤균상)

as Pianist Cha Seo Hoo

Pemeran Utama

Choo Soo Hyun

as Lee So Eun

Pemeran Utama

Shin Jung Keun

as Oh Jung Geun [Ha Na's father]

Pemeran Pembantu

Seo Joo Hee

as Kim Su Mi [Ha Na's mother]

Pemeran Pembantu

Lee Ju Seung

as Oh Dae Bok

Pemeran Pembantu

Jin Kyung

as Head stewardess Choi Mi Hyang [Won's cousin]

Pemeran Pembantu

Kang Rae Yeon

as Kang Na Young [Ha Na's best friend]

Pemeran Pembantu

Choi Dae Chul

as Mr. Yoon [Seo Hoo's manager]

Pemeran Pembantu

Choi Jung Won

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

Pemeran Pembantu

Woo Hyun

as Byun Woo Shik [Ha Na's boss]

Pemeran Pembantu

Bae Woo Hee

as Hong Eun Jung [Ha Na's subordinate]

Pemeran Pembantu

Jang Sung Won

as Bong Woo Jin

Pemeran Pembantu

Seo Dong Geon

as Jang Dong Geon

Pemeran Pembantu

Lee Ah Rin

as Jung Mi [Ha Na's best friend]

Pemeran Pembantu

Jeon Jae Hyung

as Chang Soo [Jung Mi's boyfriend]

Pemeran Pembantu

Hong In Young

as Wang Bit Na [Ha Na's rival]

Pemeran Pembantu

Go Won Hee (고원희)

as Yoon Min Ji [Bit Na's subordinate]

Pemeran Pembantu

Park Jong Hoon

as Pianist Park Jong Hoon [Seo Hoo's teacher]

Pemeran Pembantu

Lee Dong Jin

as Song Min Kook

Pemeran Pembantu

Kim Kang Il

as [JM representative]

Pemeran Pembantu

Oh Yoo Na

as Ji Oh

Pemeran Pembantu

Lee Jung Chul

as [Bridegroom's father]

Pemeran Pembantu

Jang Hee Soo

as [Choi Won's mother]

Bintang Tamu

Hong Seok Cheon

as [Passenger in the airplane] (Ep. 1)

Bintang Tamu

L (엘)

as Ki Sung Jae (Ep. 2-4)

Bintang Tamu

Yoon Sang Hyun

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

Bintang Tamu

Ohn Joo Wan

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

Bintang Tamu

Akiyama Yoshihiro

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

Bintang Tamu

Park Joon Myun

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

Bintang Tamu

Jang Su Won

as [Won's blind date friend]

Bintang Tamu

Hwang Seok Jeong

as [Passenger in the airplane] (Ep. 3)

Bintang Tamu

Shin Eun Kyung

as Goo Yun Jung (Ep. 3)

Bintang Tamu

Kim Kwang Sub

as [Won's friend]

Bintang Tamu

Park Tam Hee

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

Bintang Tamu

Kim Gi Hyeon

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

Bintang Tamu

Park Doo Shik

as Eun Dae Yun

Bintang Tamu

Lee Sung Deuk

as [Ha Na's university alumnus]

Bintang Tamu

Go Man Kyu

Bintang Tamu

Hwang Mi Young

Bintang Tamu

Min Hye Su

Bintang Tamu

Mun Seong Nam

Composer

Jo Soo Won

Sutradara

Jung Do Yoon

Screenwriter

Lee Ha Na

Screenwriter