- Lim Soo-jung
- Seo Ji-Woo
- Gong Yoo
- Han Gi-Joon
- Ryu Seung-su
- Gi-Joon's brother-in-law
- Lee Chung-Ah
- Ji-Hye
- Kwon Ban-suk
- Musical actor
- Kim Dong-wook
- Dr. Jung
- Hwang Geon
- Detective
- Jeong Gyu-su
- Travel agent manager
- Chun Ho-jin
- Col. Seo
- Lee Je-hoon
- Woo-Hyung
- Lee Ji-ha
- Castomer 3
- Kim Ji-sung
- Osaka stewardess
- Sung-hwa Jung
- Tour guide
- Uhm Ki-joon
- Kim Jong-Ok
- Won Ki-Joon
- Dr. Kim Jong-Ok
- Min-ji Kim
- Chae-Ri
- Sin Seong-rok
- Choi Ki-jang
- Jeon Soo-kyeong
- Soo-kyung
- Jang Young-nam
- Gi-Joon's older sister
