Season 1

Main cast

• Wan Peng as Chai Xiaoqi, an alien who’s the lover turned wife of Fang Leng
• Thassapak Hsu as Fang Leng, lover turned husband of Chai Xiaoqi
• Wang You Jun as Fang Lie, Fang Leng's half brother and Xiaoqi's best friend and one-sided ly loved her

Supporting cast

• Yang Yue as Jiang Xue (Heir of Jiang group, Fang Leng's childhood friend and obsessed one-sided ly loved him)
• Alina Zhang as Sister Chai (Restaurant Owner, Xiaoqi's landlady and friend)
• Wang Hao Zhen as Han Jinming / Assistant Han (Fang Leng's secretary)
• Christopher Lee as Fang Shi Da (Chairman of Future group, Fang Leng and Fang Lie's father)
• Hu Cai Hong as Aunt Zhou (Fang Shi Da's second wife and Fang Lie's mother, Step Mother of Fang Leng )
• Ashin Shu as Doctor Zhang (Fang Leng's therapist and friend)
• Gong Zheng Nan as Ai Lun/Alan (Jiang Xue's ally and a research scientist at Future group)
• Kris Bole as Mr. Filner (Fang Lie's art exhibition sponsor)

Season 2

Main cast

• Wan Peng as Chai Xiaoqi
  • Li Xi Yuan as Chai Xiaoqi (young)
• Thassapak Hsu as Fang Leng
  • Ma Chen Yan as Fang Leng (young)

Supporting cast

• Wang You Jun as Fang Lie
• Chen Yi Xin as Xiao Bu
• Zhang Meng as Sister Chai
• Eddie Cheung as Fang Shida
• Wan Yan Luo Rong as Jiang Shiyi
  • Yang Han Bo as Jiang Shiyi (young)
• Zhao Guan Yu as Assistant Han
• Shu Ya Xin as Doctor Zhang
• Hu Cai Hong as Zhou Siqin
• Jia Ze as Chen Mengfei
• Lin Jian Huan as Uncle Kang
• Fu Shou Er as Mrs. Zhou
• Liu Yi as Zhou Dong
• Huang Xiao Ge as Mother Fang
• Sun Zi Jun as Na Na

Background

Producer Li Eryun said that the play is a small but beautiful, positive energy dream sweet pet love drama, which has both a soft science fiction with a big brain and a love story core that is easily decompressed, and is committed to bringing relaxed joy to the audience At the same time as the romantic innocent story, spread positive positive energy values. The show was officially filmed in Shenzhen on October 20, 2018, ended on January 4, 2019.^{[citation needed]}

Opening sequence

Thassapak Hsu a.k.a. Fang Leng gets encountered by a car accident and loses his consciousness and suddenly Wan Peng a.k.a. Chai Xiaoqi lands on the Earth in front of him and helps him to recover his consciousness suddenly the car due to crash explodes and she tries to protect Fang Leng from the destruction meanwhile her Annunciator (a precious stone from her home planet) gets penetrated through the body of Fang Leng inside his heart. After that, Chai Xiaoqi takes shelter in a restaurant owned by Alina Zhang a.k.a. Sister Chai and eventually gets appointed at Future Group of Companies by the president of the company Fang Leng.

Setting

The shooting for the show took place in Shenzhen on October 20, 2018 and ended on January 4, 2019.