Steve Martin plays Inspector Jacques Clouseau, a bumbling but determined French detective.
Jean Reno portrays Ponton, Clouseau's loyal and more competent partner in the investigation.
Kevin Kline takes on the role of Dreyfus, Clouseau's boss who is often frustrated by Clouseau's antics.
Beyoncé stars as Xania, a glamorous pop star and the love interest in the plot.
Emily Mortimer plays Nicole, Clouseau's assistant and a crucial part of the investigation.
Henry Czerny portrays Yuri, a key character linked to the theft investigation.
Kristin Chenoweth plays Cherie, a character who adds a comedic element to the story.
Roger Rees plays Raymmond Laroque, an important figure in the storyline related to the Pink Panther diamond.
Philip Goodwin portrays Deputy Chief Renard, involved in the police investigation led by Clouseau.
Henri Garcin plays the President, adding a layer of authority to the film's narrative.
William Abadie appears as Bizu, a character contributing to the film's comedic elements.
Daniel Sauli plays the Music Producer, tying into the film's music-related plot points.
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