Leonardo DiCaprio in 'Boogie Nights' and 14 Other Roles Stars Switched Lower

Stars spread roles constantly -- it's part of the movie business. Take Leonardo DiCaprio. His enormous box-office potential makes him most likely probably the most looked for-after stars on earth. Consequently, he's been offered the opportunity to experience numerous large-time figures, a few which he's required to turn lower. (Not infamous FBI director J. Edgar Hoover in Clint Eastwood's 'J. Edgar,' which opened up up now.) In recognition of DiCaprio and also the Hollywood brethren, let's take a look back in a couple of from the finest roles stars have ever switched lower. 15 Roles Stars Switched Lower Leonardo DiCaprio in 'Boogie Nights'Will Cruz in 'The Matrix'John Travolta in 'Forrest Gump'Mel Gibson in 'Gladiator'Michelle Pfeiffer and Jodie Promote in 'Thelma & Louise'Tom Cruise in 'Footloose'Matt Damon in 'Avatar'Madonna in 'Casino'Freddie Prinze Junior. in 'Spider-Guy'Jack Nicholson in 'The Godfather'Tom Selleck in 'Raiders in the Lost Ark'Alec Baldwin in 'The Fugitive'Molly Ringwald in 'Pretty Lady'Steve McQueen in 'Dirty Harry'Leonardo DiCaprio in 'American Psycho' See All Moviefone Galleries » [Photo: FilmMagic / Everett Collection] Follow Moviefone on Twitter Like Moviefone on Facebook