Elias:
Sure, I'll write their names like that, but may I ask why? Romanized Korean first names are usually connected with a - (like on Google or Wikipedia or IMDb)
There is no line in the name in Korean (박찬욱, 봉준호) and actually, they shouldn't be romanized like that, but I guess that's how the US likes to do it. Also, on MDL, we have it without the line as well, for the main name. But they still appear in the Also Known As section in case people look for it. :D In (almost) all articles we have used it without the line as well so consistency is the key. ^~^