Almost Cast: Who Lost Iconic Roles?

Would the world be the same if Sex and the City’s Carrie Bradshaw had been played by someone other than Sarah Jessica Parker, or if the role of Terminator had gone to O.J. Simpson? It’s impossible to say but fun to ponder. As part of Slate’s new partnership with LIFE.com, we take a look back at actors who were almost cast in major roles.  Click here.