SEE ALSO: Lee Dong Wook, Shin Se Kyung, and more attend first script reading for 'Iron Man'

Shin Se Kyung was spotted monitoring the footage and breaking out into laughter, leaving fans excited for the possible comedic relief in the drama. The drama's rep hinted that the actress will show a new side of her, commenting, "Shin Se Kyung has been immersed into her role as Son Se Dong and is showing never-before-seen charms of hers through her character... We ask that you show a lot of interest and love for Shin Se Kyung, who will get closer to viewers through a different image."

'Iron Man' is a fantasy-melo drama that portrays the love story of a bitter man named Joo Hong Bin (Lee Dong Wook), who carries feelings of resentment and revenge, and the warm, loving woman Son Se Dong (Shin Se Kyung), who always puts others first.

'Iron Man' is set to air following 'Joseon Gunman' on September 10!