Meghan, 35, will be attending the event as Harry's date but not for the church ceremony. She is likely to make her presence at the evening party after the nuptials.
He revealed that he began addressing his grief only when he was 28 and it was due to uncontrollable anxiety that started taking a toll during his royal engagements.
Ji Sung is likely to play the role of a prince in this historical thriller that revolves around a massive battle over a renowned gravesite to decided the next king.