Bayarsaikhan was born and raised in
Ulaanbaatar,
Mongolia. She started her career as a model, and has appeared in
Schön magazine. After finishing drama training, she took a coaching programme to help her accept her own speech and accent for auditions. Bayarsaikhan made her screen acting debut as the android Jade in the 2015 film
Ex Machina alongside
Domhnall Gleeson. and secured small roles as Khutu in
Ben-Hur (2016) and in
Wonder Woman (2017). Bayarsaikhan purportedly became the first Mongolian actress ever to play a lead role in a Hollywood movie when she was cast as "the girl" in the 2019 film
Waiting for the Barbarians, and premiered at the
76th Venice International Film Festival on 6 September 2019, to which Bayarsaikhan attended. Director
Ciro Guerra described how Bayarsaikhan and the other 14 Mongolian actors Bayarsaikhan plays Tuva Olsen, a main character in the 2020
Sky TV series
Intelligence, alongside
David Schwimmer and
Nick Mohammed. Series 2 of
Intelligence was released in 2021. ==Filmography==