They're now the fathers, grandfathers, presidents and kings of K-dramas and films, but these actors were once leading men who wooed women and caught the bad guys. It also turns out that many of them could give current top stars a run for their money with their dashing good looks. Here's a look into their pasts!

1. Park Geun Hyung

Now:

Then:

Is it just me, or does a young Park look like Jang Dong Gun?


2. Lee Soon Jae

Now:


Then:

You've seen him in every drama and film produced since ever.

3. Choi Bool Am

Now:

Then:

He had it going on back in the day.

4. Kim Yong Gun

Now:

Then:

They may not look much alike now, but young Kim and his son Ha Jung Woo could be brothers.

5. Lim Chae Moo

Now:

Then:

I'm digging that trench coat. And that gaze.

6. No Joo Hyun

Now:

Then:

My dad had this hairstyle back in the '70s, too.


7. Han Jin Hee

Now:

Then:

He was adorable.


8. Nam Goong Won

Now:

Then:

He looked like the Korean Gregory Peck. So handsome!



9. Cheon Ho Jin

Now:

The original pretty boy.

Then:


10. Lee Jung Gil

Now:


Then:

He's been acting since 1965.

11. Jung Dong Hwan

Now:

Then:

Such a friendly face -- it's no wonder he's always playing the good guy!


Which one of these actors would you travel back in time to meet? Tell us in the comments below!