Actor Uhm Tae Woong shared the behind story of filming the movie "Architecture 101."

On KBS 2TV Happy Together 3, which aired on October 24, 2013, Uhm Tae Woong starred with director Park Joong Hoon of movie "Top Star" and So Yi Hyun. He revealed that he wasn't the first candidate for the male role of "Architecture 101."

Park Joong Hoon, an actor-director who filmed "Architecture 101," said, "To be honest, the first candidate for the male main character of 'Top Star' wasn't Uhm Tae Woong."

Uhm Tae Woong replied, "I knew that. But from my experience, I've done well in works of films that others have turned down. For instance, 'Architecture 101' was one of those cases," making everybody surprised.