4. Dwayne "The Rock" Johnson ($36 million)
LAS VEGAS, NV - APRIL 23: Actor Dwayne Johnson, recipient of the Action Star of the Decade Award, arrives at a Paramount Pictures and DreamWorks Animation event at Caesars Palace during the opening night of CinemaCon, the official convention of the National Association of Theatre Owners, April 23, 2012 in Las Vegas, Nevada. Johnson is promoting his upcoming movie, "G.I. Joe: Retaliation."
(Photo by Ethan Miller/Getty Images)