Three more actors have signed on to director Jon Favreau's Iron Man 2 follow-up film. According to Deadline New York, Paul Dano, Keith Carradine and Clancy Brown have signed on to star in Cowboys and Aliens.

It was said that Dano would play a cowboy that helps fight the attacking aliens, Carradine would play the town's sherrif and Brown would play another cowboy. The trio join a cast that already includes Harrison Ford, Sam Rockwell, Olivia Wilde, Daniel Craig and Noah Ringer.

Favreau will direct from a script by Roberto Orci and Alex Kurtzman. Filming is set to start in June.