From the bustling and rapidly changing Korean drama industry, you’d have guessed that there are a lot of actors and actresses on the scene. But sometimes, whether because of chemistry or their massive popularity as an on-screen couple, actors and actresses reprise their roles as couples in subsequent movies.

Of course, part of the reason could also be that they enjoy working with each other—many stars have admitted to accepting roles when they find out an actor they admire is on the cast list. Scroll through the gallery to see which actors and actresses have reunited as couples… on screen.