#4 Jesse Ventura
Jesse "the Body" Ventura made a lot of forays into Hollywood, starring in The Running Man and tv show Tag Team (Where he co-starred with Roddy Piper.)
However, it was his role in Predator that is the most memorable. His character Blaine Cooper easily has the best lines in the movie, especially the often memed "I ain't got time to bleed!"
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Supposedly, there was a friendly rivalry between star Arnold Schwartzenegger and Jesse. They would compete to see who could get the most jacked up on set. Once Jesse showed up at the gym right before Arnold and poured a bucket of water over his head, so it would look like he'd been working up a sweat for hours.
Jesse Ventura was in quite a few films, but it was his performance in this movie that most people remember.