Deniz Celiloğlu is a Turkish actor known for his significant film career. He gained international recognition thanks to Nuri Bilge Ceylan's film “Kış Uykusu” (Winter Sleep). In this film, which won the Palme d'Or at Cannes, he played İsmail, a complex role that highlighted his ability to embody tormented and multifaceted characters.

His collaboration with Ceylan continued with “Ahlat Ağacı” (The Wild Pear Tree). Celiloğlu is appreciated for his measured and introspective performances, often cast in psychological dramas that explore the complexities of the human soul, establishing himself as a distinctive face of Turkish arthouse cinema.