What is cast of movie burlesque?

The 2010 film "Burlesque" features a star-studded cast. Christina Aguilera stars as Ali, an aspiring singer who moves to Los Angeles and discovers the world of burlesque. Cher plays Tess, the owner of the burlesque club where Ali works. Kristen Bell plays Nikki, a jealous and conniving dancer who seeks to undermine Ali. Stanley Tucci plays Sean, Tess's friend and confidant. Cam Gigandet plays Jack, a bartender who becomes Ali's love interest. Julianne Hough plays Georgia, a dancer who befriends Ali. Alan Cumming plays Alexis, the club's host and emcee. Other notable cast members include Eric Dane, Peter Gallagher, and Dianna Agron.