Park Seong-geun

Countdown

as Director

Ashfall

as Cabinet Member #2

Take Care of My Cat

as Assistant Manager Park

Citizen of a Kind

as Police Team Leader

Tomb of the River

as Cho Bang Hyun

The Man Standing Next

as KCIA Secretary Kang Chang-su

Me and Me

as Principal

Always

as Ophthalmologist

Inside Men

as Prosecutor

The Whistleblower

as PD

Hidden Face

as Office Manager

A Man of Reason

as Big Brother