Sadi Isilay was born on February 5, 1899 in Constantinople, Ottoman Empire [now Istanbul, Turkey]. He was a composer and actor, known for Dertli pinar (1943), The Henpecked Ones (1947) and Beklenen Sarki (1953). He was married to Eftalya Isilay. He died on March 11, 1969 in Istanbul, Turkey.