There’s a lot that goes into making a movie, but the stars are front and center. Hollywood’s most beloved movies would be a lot different if their lead actors decided to pass on their roles. Can you imagine Titanic with Matthew McConaughey and Gwyneth Paltrow? Believe it or not, that was a possibility.

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While the success of a blockbuster isn’t solely in the hands of its stars, the right combination of actors can turn a movie into a box office sensation. But before that happens, the actors must agree to accept their roles. And sometimes, that’s a difficult process.

Here are 10 actors who almost passed on their iconic movie roles.

 

 

 

Gallery — Co-Stars Who Hated Each Other: