(JYP Entertainment)

(JYP Entertainment)

Lee Jong-suk proved himself an avid actor by unveiling a series of behind-the-scenes footage at a drama set for “While You Were Sleeping.”

The photos released by YG Entertainment on Friday showed Lee’s various sides on set, such as concentrating on his script and monitoring himself in the camera. The agency said the photos were taken earlier this year in freezing weather, as Lee’s ear warmers and heavy jacket in the photos showed.

(JYP Entertainment)

(JYP Entertainment)

New SBS drama “While You Were Sleeping” is about a young woman, Nam Hong-ju, played by singer and actress Suzi, who is able to foresee tragic events of the future in her dreams, and Jung Jae-chan, played by Lee, a prosecutor who does everything in his power to prevent such events from taking place. The series premiered on Wednesday.

(JYP Entertainment)

(JYP Entertainment)

(lotus@heraldcorp.com)