"A man sets up the First Love Agency to help people locate their long-lost first love. But then he ends up falling in love with his first client."
Lim Soo-jung
as Seo Ji-woo
Gong Yoo
as Han Gi-joon
Cheon Ho-jin
as Seo Dae-ryung
Jeon Su-kyung
as Soo-kyung
Ryu Seung-su
as Gi-joon's Brother-in-law
Lee Chung-ah
as Ji-hye
Lee Je-hoon
as Woo-hyung
Kim Min-ji
as Chae-ri
Lee Jun-ha
as Woo-ri
Cho Han-cheul
as Yun-chool
Seon Jong-nam
as Assistant
Kim Dong-hyun
as Jae-ha
Shin Sung-rok
as Captain Choi
Jeong Gyu-su
as Travel Agent Manager
Chung Sung-hwa
as Tour Guide
Jang Young-nam
as Gi-joon's Older Sister
Oh Na-ra
as Hyo-jeong
Choi Il-hwa
as Client
Kim Moo-yul
as Travel Agent
Choi Ji-ho
as Kim Jong-wook / Soccer Player
Won Ki-jun
as Kim Jong-ok / Doctor
Jeong Jun-ha
as Kim Jong-wook / Farmer
Oh Man-seok
as Kim Jong-mok
Kim Dong-wook
as Dr. Jung
Uhm Ki-joon
as Kim Jong-ok
Seo Hyun-chul
Lee Joo-young
as Madam
Lee Jin-hee
as Publisher staff
Yim Dong-seok
Production Sound Mixer
Jang Yoo-jung
Director
Lee Kyung-ui
Writer
Hong Seung-chul
Lighting Director
Original Story
Lee Seung-chul
Sound Supervisor
Park Hong-yeol
Camera Operator
Lee Hyung-deok
Director of Photography
Min Jin-soo
Executive Producer
Shim Hyun-seob
Costume Design
Cho Yong-jin
Assistant Director
Kim Si-yong
Production Design
Jung Hoon
Key Grip