Halil Ergün was born on September 8, 1946 in Iznik, Bursa, Turkey. He studied political science at Ankara University. He began his theater career in Bursa. Played in many important movies, including Maden, Kuma, Hamam and Kalbin zamanı. He has performed in more than 80 roles in theater and cinema. In 2006, he starred in the popular television series Yaprak Dökümü as Ali Rıza Bey. Ergün was honored with "Best Actor" award in the theater and cinema, including from Golden Orange Film Festival in 1995 for "Böcek" and from Adana Golden Boll Film Festival in 1995 for "Böcek" and again in 1996 for "Mum Kokulu Kadınlar". He received an honorary lifelong achievement award in 2007 from Golden Orange Film Festival. .