Best known for reprisal of maternal roles, Ezeonu was originally cast as young single characters at the start of her career. In 1993, veteran film director Zeb Ejiro offered Ezeonu a supporting role as Nkechi, the antagonist's best friend in the Igbo blockbuster Nneka The Pretty Serpent. This was followed by her role in 1994's Glamour Girls as Thelma, a high society woman making a living as a courtesan.