| Birth Day | October 6, 1986 |
| Birth Place | South Korea |
| Yoo Ah-in age | 37 YEARS OLD |
| Birth Sign | Libra |
Most famous for his role as Moon Jae-shin in the television series Sungkyunkwan Scandal and for his portrayal of Do Wan-deuk in the 2011 film Punch, this South Korean screen actor also appeared in a historically-themed television series called Jang Ok-jung, Living by Love.
He left school to accept a role in a television series called Sharp 1 and subsequently appeared in several films, including Chil-woo the Mighty and Boys of Tomorrow.
He garnered media attention for his outspoken political views regarding the 2012 South Korean presidential race.
He was born and raised in Daegu, South Korea.
He appeared with Ju Ji-hoon in the 2008 film Antique.
