Each episode runs 45 minutes including commercial breaks.
Yoo Se-mi (Yoo In-na) is Song-yi's childhood best friend who has a crush on Hee-Kyung since middle school.
One of the top leading ladies in the Philippines, Jennylyn Mercado was tapped to portray Jun Ji-hyun's character, Steffi Cheon (Cheon Song-yi). My Love from the Star was a success in the Philippines after hitting high ratings and dubbed as "One of the most loved Korean drama in the Philippines".
On December 9, 2016, Filipino-Spanish model and first time actor Gil Cuerva was confirmed to be the leading man, replacing Alden Richards of Al Dub, who was initially announced to star as the male lead but later turned down the role for another project. In Thailand remake by Broadcast Thai Television Co., Ltd.
A very cold and distant being, he loved a girl who lived during the Joseon period for liking him as his true self, an alien.
After the girl dies from saving him, he waits to return home.