If you’ve been keeping up with the record-breaking dramas, Penthouse and Penthouse 2, you’d know who Joo Seok Hoon (Kim Young Dae) and Secretary Jo (Kim Dong Gyu) are.

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| @kdkiioii/Instagram

Joo Seok Hoon is the son of wealthy businessman Joo Dan Tae, while Secretary Jo works for Joo Dan Tae behind the scenes.

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Given the age difference of their characters as well as their appearances to match, many would easily assume that they’re actors of different age groups.

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“Penthouse” | SBS

So fans are shocked to find out that they’re actually almost the same age in real life.

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Kim Young Dae was born in 1996 making him 25 years old, while Kim Dong Gyu was born in 1994 making him 27 years old.

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| @youngdae0302/Instagram

That means there’s only a 2-year age difference between the two actors!

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| @kdkiioii/Instagram

It turns out that Kim Young Dae has been pulling off a character that’s much younger than himself, while Kim Dong Gyu grew out a beard and shaved his head for a much tougher appearance.

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| @kdkiioii/Instagram

Aside from their appearance, the actors simply pulled off their respective characters flawlessly, making age an afterthought.

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| @youngdae0302/Instagram

Now that’s what you call true actors.