Birthday: Cast
Sul Kyung-gu
Jung-il
Jeon Do-yeon
Soon-nam
Kim Bo-min
Ye-sol
Yoon Chan-young
Su-ho
Kim Soo-jin
Woo-chan's Mother
Lee Bong-ryeon
Jung-sook
Park Jong-hwan
Young-joon
Kwon So-hyun
Eun-bin
Sung Yu-been
Sung-joon
Tang Joon-sang
Woo-chan
Kim Min-jae
Immigration Officer
Kim Hyun
Geon-jae's Mother
Shin Mun-sung
Geon-jae's Father
Jeong Jong-jun
Uncle
So Hee-jung
Seok-won's Mother
Shin An-jin
Seok-won's Father
Shin Un-seop
Jong-hyun's Father
Kim Hyun-jung
Teacher
Park Mi-hyeon
Cashier
Kim Gye-sun
Hyung-woo's Mother
Park Ga-young
Mart