On September 19th, actor Lee Jong Suk shared a photo with "sibling", f(x)'s Krystal,�on his Me2day.� The two were recently cast for the upcoming sitcom, 'High Kick 3', and will be playing the role of brother and sister. Lee Jong Suk wrote, "High Kick's Ahn siblings ^^.� We're trying to act friendly while rehearsing our script.� They say that it looks like our genders have changed, but really?� Please come up with many fun nicknames for the 'Ahn Siblings' and give us much support~ Yap!" The two are seen smiling for the camera while holding onto their scripts. It wouldn't be a far fetched to say that they could really pass for siblings with their resemblance, right? 'High Kick 3' is scheduled to begin broadcasting today on September 19th! Source + Photos: IS Sports via Naver