'Cowboys and Aliens' hits theaters July 29, but it had its world premiere this weekend in San Diego at Comic-Con. We were there on the red carpet, where we got a chance to chat with its stars, Daniel Craig, Olivia Wilde and Paul Dano, plus director Jon Favreau.

Favreau discussed how Steven Spielberg helped get the movie started with this simple pitch: A gunfighter walks into a saloon with a blaster.

Take a look: