The Time We Were Not in Love

Ha Ji-won

Oh Hana· 16 ep

Lee Jin-uk

Choi Won· 16 ep

Yoon Kyun-sang

Cha Seohoo· 16 ep

Choo Soo-hyun

Lee Soeun· 16 ep

Shin Jung-keun

Oh Jeonggeun· 16 ep

Seo Ju-hee

Kim Soomi· 16 ep

Lee Ju-seung

Oh Daebok· 16 ep

Jin Kyung

Choi Mihyang· 16 ep

Bae Woo-hee

Hong Eunjeong· 16 ep

Go Won-hee

Yoon Minji· 16 ep

Woo Hyeon

Director Byeon Wooshik· 16 ep

Choi Jung-won

· 16 ep

Lee Sung-deuk

Hana's university alumnus· 16 ep

Min Hye-su

· 16 ep

On Ju-wan

· 1 ep

Hong Seok-cheon

airplane passenger (cameo)· 1 ep