Oh majored in photography at the Savannah College of Art and Design.
He is an artist whose hobbies include drawing, traveling, and photography.
Oh starred in the MBC miniseries Sweet Spy ("Dalkom-han Seupai") and has also acted in commercials across Asia, including Hong Kong, China and Singapore.
In the drama, he appears as a mysterious spy who falls in love with an ordinary female police officer.
He has fans in numerous countries, such as South Korea, United States, and Thailand.