Alexa Davalos ,premiere of "Clash of the Titans" at the Grauman's Chinese theatre in Hollywood

A security guard looks on at the premiere of "Clash of the Titans" at the Grauman's Chinese theatre in Hollywood, California March 31, 2010. The movie opens in the U.S. on April 2.

Cast member Alexa Davalos poses at the premiere of "Clash of the Titans" at the Grauman's Chinese theatre in Hollywood, California March 31, 2010. The movie opens in the U.S. on April 2.

Cast member Sam Worthington and girlfriend Natalie Mark pose at the premiere of "Clash of the Titans" at the Grauman's Chinese theatre in Hollywood, California March 31, 2010. The movie opens in the U.S. on April 2.

Cast member Alexa Davalos poses at the premiere of "Clash of the Titans" at the Grauman's Chinese theatre in Hollywood, California March 31, 2010. The movie opens in the U.S. on April 2.