수상한 그녀

김해숙

as Oh Mal-soon

정지소

as Oh Doo-ri

정진영

as Daniel Han

채원빈

as Choi Ha-na

김소원

as Chan Mi

Lee Hwa-Kyum

as Li Na

Lee Kwang-hee

as Sang-joo

Yoo Jung-hoo

as

정보석

as Park Gap Yong

서영희

as Ban Ji Suk [Choi Ha-na's mother, Choi Min-seok's wife, Oh Mal-soon's daughter]

인교진

as Choi Min-seok

차화연

as Kim Ae Sim

이달

as Hoi

Oh Ji-yeon

as Joon Hee

현재연

as Soo Jin [member of the group Element]

이지현

as Min Ah

낸시 양

as Olla [member of the group Element]

장서원

as Jay [member of the group Element]

Kim Sung-Won

as Park Ja Young [Park Gap Yong's son]

박영수

as Park Young Joon

홍서준

as Park Young Suk [Park Young Joon's brother]

신신애

as Shin Soon Ae

이용이

as Jang Gwi Rye

신연숙

as Oh Choon Boon

최정우

as Byun Kang Suk

김병옥

as Mysterious taxi driver