Movie borrows elements from "Pink Panther" sequels, such as Dreyfus, who did not appear until this first sequel, and Clouseau having sidekicks to practice sneak-attacks with him.
When Vincenzo Brancaleone introduces himself to Clouseau by all his full name, Clouseau responds: "Tam-ta-da-tam-tam Don Corleone", referring to Andy Garcia's role in the earlier movie