Child actor Moon Mason's mother posted a photo of her son with child actor, Yeo Jin Goo (from the drama I Miss You). Moon Mason's latest photo is catching much attention as the  super adorable baby has grown so fast! The picture was posted today by Moon Mason's mother through their blog. The photo was taken at a press conference for the movie Tone Deaf Clinic in which the adorable Moon Mason makes a cameo in. Two precious child actors growing up so fast in front of our very eyes. Pictured below, a younger Yeo Jin Goo and a baby Mason Moon. Source: