Per the Hollywood Reporter, Oscar winner Gwyneth Paltrow has joined the cast of Iron Man, playing Virginia "Pepper" Potts, the personal assistant to the title charcter's alter ego, Tony Stark (Robert Downey Jr.).... Per Variety, Dwayne "The Rock" Johnson and General Zod himself, Terence Stamp, are set to join Steve Carell and Anne Hathaway in Get Smart, playing Agent 23 and a villain, respectively.