In 1980, at the age of eleven, his family left France to settle permanently in Tunisia. In order to get rid of his shyness, he is advised to do theater. Hamdi Hadda takes his first steps with Taoufik Jebali, who runs a theatrical training center, El Teatro Studio1,2. In May 2012, he received the Best Male Performance Award for his role in Imen Ben Hassine's Top Secret at the Agadir International Short Film Festival in Morocco. The following year, he was invited as a jury member to the International Short Film Festival of Tiznit, still in Morocco3. In parallel with his acting career, Hamdi Hadda is director of the communication agency H2Com.