Complex sentence: Kaif was cast as Dimple Dixit, a "talkative" and "unpredictable" girl; she described the role as challenging as the character's personality traits contrasted with her own.
Split into simpler sentences: Kaif was cast as Dimple Dixit, a "talkative" and "unpredictable" girl. She described the role as challenging as the character's personality traits contrasted with her own.