It was previously revealed that Seolhyun and Yeo Jin Goo will also be joining Jonghyun, completing the three main actors for the drama. Seolhyun has appeared in 'Seo Young, My Daughter' and 'Ugly Alert' while Yeo Jin Goo heightened his acting career through established roles in 'Giant' and 'The Moon That Embraces The Sun.' 

Jonghyun is also slowly making his way into the acting scene as he was first spotted in the drama, 'Gentleman's Dignity.' According to the reports, the idol, and now actor, honed his acting skills for his first lead role.

SEE ALSO: 'Orange Marmalade' reveals still cuts of AOA's Seolhyun

A set of pictures of Jonghyun on the set of 'Orange Marmalade' were also recently released, showing the idol dressed in a sleek school uniform, oozing with charismatic, vampirish charms. 

Meanwhile, 'Orange Marmalade,' a drama based on a Naver webtoon of the same title, portrays the bittersweet love story between a vampire girl and a human boy. The drama will air its first episode in May.