Star baby Lee Si Ahn of 'Superman Is Back' ran into some major current superstars at Incheon airport!

On February 10, Si Ahn's mother Lee Soo Jin posted a series of photos of Si Ahn meeting up with the young actors and actresses of the recently ended hit drama, 'SKY Castle'. Si Ahn can be seen posing shyly with actors Jo Byung Gyu, Kim Dong Hee, and Song Gun Hee, as well as the famous Ye Seo played by Kim Hye Yoon, and Hye Na played by Kim Bo Ra. 

Lee Soo Jin wrote, "We coincidentally ran into some very famous people at the Incheon airport. The airport is packed to the brim with fans. Dae Bak a.k.a Si Ahn. Heading to LA. I'm busily downloading 'SKY Castle' right now. First Drama. In 15 years." 

Meanwhile, the cast and crew of 'SKY Castle' are currently heading off on their reward vacation to Phuket, Thailand. Earlier, actress Oh Na Ra also shared in-flight photos with all of the 'SKY Castle' moms, which you can also find below.