In the TV series "Night 2", Hao Tian and Sang Sang are not acting alone. Hao Tian is played by YCY and Sang Sang is played by S.Ireine. In the play, Hao Tian's identity is unusual. Haotian is the god of heaven and earth, but in the world, the embodiment of Haotian consciousness is Tiannv, and Tiannv is a role played by YCY.

YCY is an actor and singer born after 1995. She attracted the attention of netizens with her program creation 10 1. Later, she also appeared in many film and television dramas, such as Extreme 17: Feathering with You, Midsummer Sky is full of worries, and Listening to Feng Ming.

Sang Sang is the heroine in the play. No matter in the first or the second film, Sang Sang is played by S.Ireine, a post-90s actress. She was born in Jinan, 1993. She has performed well in TV dramas, such as Look at the Taste, Cafe Liu Long and I'm Single by Skill.

Sang Sang is also a very powerful role in the play. At first, she was the maid of the hero Que Ning, and later she became the wife of Que Ning. She also shared the same fate with Que Ning, which established a deep connection between them. Sang Sang is also a descendant of Bright Grand Priest, and she has another hidden identity, that is, she is also inextricably linked with the day of science.