Kim A-joong as Yoon-jung

Ji Sung as Hyun-seung

Shin So-yul as So-yeon

Kang Kyung-joon as Seung-joon

Kim Seung-o as Seok-woon

Moon Ji-yoon as Young-min

Kim Bo-mi as Yoon-mi

Kim Bo-yeon as Yoon-Jung's Mother

Ok Ji-young as Soo-Jung

Shin Hae-Chul as Singer

Jeong Soo-young as Jin-Joo

Kim Joon-ho as Restaurant Worker

Shin Hae-chul as Radio DJ

Kwak Ji-min as Ah-ra

Kim Joo-ryoung as Sea Turtle Woman

Jeong Hyeong-Ho as Hyun-seung's Company Employee 1

Choi Eun-suk as Hyun-seung's Company Employee 3

Yoon Joo as Hyun-seung's Company Employee 4