Fethi Haddaoui was the main actor in several plays, including Arab and El Aouada.

He was also a television personality thanks to his participation in several soap operas and series, in Tunisia, Syria, Jordan, Morocco, Turkey, the United Arab Emirates, Lebanon, Italy and France.

In cinema, he played in several European films under the direction of directors like Franco Rossi, Serge Moati, Jean Sagols Peter Kassovitz and others.

Haddaoui won numerous awards during his career, including Best Supporting Actor for his role in No Man's Love and Noce d'été at the Carthage Film Festival, best male interpretation at the Oran International Arabic Film Festival, best director at the Festival des radios and Arab televisions for La Cité du savoir.

Haddaoui was married to the Syrian Razam Hijazi and had two children together, a boy named Adam, and a daughter, Jamila.