IPINANGANAK si Jo In Sung noong Hulyo 28, 1981.
He started modelling in 1998 for clothing br and Ziozia.
Critics and fans started noticing his acting chops in the K-drama Piano in 2001.
He became the male lead for the K-drama series ” Shoot for the Stars” in 2002.
Also in 2002, his first big movie break came via The Public Toilet.
He became a household name after the K-drama What Happened in Bali hit the TV screens in 2004.
His role earned him the Best Actor trophies sa Baeksang Arts Awards at SBS Drama Awards.
Pumasok sa military noong 2009.
Taong 2013, he was paired with Korean superstar Song Hye Kyo sa Korean hit drama na That Winter, the Wind Blows.
The following year, he won the grand prize at APAN Star Awards for his role in the TV series It’s Okay, That’s Love.