As casting rumors swirl for the next Expendables movie, it is worth taking a look at some action stars that have yet to join the franchise and show off their badass fighting.

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Two names that could circle roles in the next movie are Sigourney Weaver and Sean Bean. Both have been a part of major action franchises, with the former getting nominated for an Oscar for her role in one of them.

Weaver is probably on the same level as the main stars of the film as her portrayal of Ripley in the Alien series has made her a staple on many lists of the greatest action characters of all-time. She has kept that up with roles in Avatar and most recently, Exodus: Gods and Kings, which shows that even with age, she can still kick butt.

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While it is unclear whether she would take a role, she could a perfect addition for a Harrison Ford-type role where she shows up for a scene or two and gets fans excited to see her playing off Ripley. The price of admission could be worth seeing her in a mech suit again,

As for Bean, the actor has been a steady staple in action features as he has starred in a James Bond movie, the Lord of the Rings trilogy, and most recently worked a season on HBO's Game of Thrones. While the actor is known for dying in anything, he could get one of the recurring roles on the movie and almost mock that perception by not dying at the end.

Other names that are circling parts are Jackie Chan, Pierce Brosnan, Dwayne Johnson, Manny Pacquiao, Hulk Hogan, and Nicolas Cage.