Ünalmış spent his childhood in Kayseri before moving to Istanbul to attend secondary school. During his high school years, he played for the basketball team of Fenerbahçe S.K. After graduating from Marmara University with a degree in communication studies, Ünalmış studied acting at Academy Istanbul. Shortly after finishing his studies. Shortly after finishing his studies, he appeared in a number of TV series, including Hayat Bağları, Sınırlı Aşk, and Kurşun Yarası as well as movies such as Üç Kadın, Deli Duran, and Sen Ne Dilersen.