Model and television actor renowned throughout South Korea for starring in the MBC series East of Eden and Sweet Spy.
He began modeling at the age of sixteen and, in 2005, was named the 22nd Best Dressed Korean model.
He studied photography at Savannah College of Art and Design and has become a talented artist and photographer.
He was born Dennis Joseph O'Neil to a Korean mother and an American GI father. He has an older brother.
He starred opposite Han Ga-in in the 2007 Korean drama Witch Yoo Hee.