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Yu Nan (front left), Sylvester Stallone (front center), Dolph Lundgren (front right), Terry Crews (back left) and Randy Couture (back right) in "The Expendables 2."
With the success of "The Expendables 2," which features a large roster of action movie stars, including Stallone, Bruce Willis and Arnold Schwarzenegger, film critics David Edelstein of New York Magazine and "Sunday Morning," and Lisa Rosman of indiewire.com described their criteria for what makes a great action movie star.
By CBSNews.com senior editor David Morgan
Credit: Frank Masi/Lionsgate