Sareh Bayat was born and raised in Tehran, Iran. She majored in Theater at university and received a Diploma of Honor for Best Actress from Tehran's Police Theatre Festival in 2006. She furthered her acting training at Karnameh Institute of Arts and Culture's School of Cinematic Arts where she received lessons by renowned actor, Parviz Parastui, in 2005. Bayat first appeared on the small screen in a television series called "A Fistful of Eagle Feathers" alongside her teacher, Parviz Parastui, and other celebrated actors such as Reza Kianian, and Hormoz Hedayat. Her big screen debut was in "Devil's Take" (Moghalede Sheytan) directed by Parvaneh Afshin Sadeghi. Her performance as Razieh, the religious caretaker in Asghar Farhadi's internationally critically acclaimed film, Une séparation (2011), received the Diploma of Honor for Best Actress in a Supporting Role and Silver Bear from Berlin International Film Festival.