He graduated from the Heliopolis Military Secondary School and emerged through secondary roles in Adel Imam's films. He then started and starred in several films. He was born in Minya Governorate - Beni Mazar Center - El Jendia Village. He was the grandfather of Sheikh Sayed Wali El Din, the founder of a school in the village, which was established at his own expense and has been working for years. His father, Samir Wali El Din, was a representative and also a general manager of the Cairo Theater.

Alaa Al-Din contributed to the emergence of a number of current artistic stars such as Ahmed Hilmi, Karim Abdel Aziz and Mohamed Saad. The "Lambi" character was her first appearance in the film Al-Nazer.