Nilay Erdönmez graduated from Mimar Sinan Fine Arts University State Conservatory Theater Department in 2007. She won the "best actress award" at many national and international festivals, including the International Adana Film Festival, for her role as Seher in the 2012 film "Watchtower". Since 2006, she has been acting and directing in many paid and private theaters. "Beautiful Days", "Once Upon a Time Ottoman: Once Upon a Time Ottoman: Kıyam" series with the role of Gonca Nigar and "Sevdaluk" series with the roles of Emine and Nihan.