An all-star cast featuring Harrison Ford and Daniel Craig. A tried-and-true director of big-screen spectacle.  Cowboys. Aliens. If these things aren’t enough to rope you into theaters this weekend to see Universal Pictures’ epic sci-fi actioner Cowboys & Aliens, then how about the promise of some nude Olivia Wilde ass?

The beautiful 27-year-old actress revealed to Access Hollywood that her sexy little rump is on display (briefly I’m sure) in the PG-13 rated film. Wilde, who went topless in the 2006 drama Alpha Dog, tells the entertainment site:

There’s a little bit of nudity in this one. I feel like if I feel really safe and if I feel like the story calls for it then I’m not so shy.

Set in the mid 19th century, Cowboys & Aliens follows gunslinger Jake Lonergan (Craig), Ella Verity (Wilde), and Colonel Dolarhyde (Ford) as they set out to stop an alien race from enslaving humankind. Damon Lindelof (“LOST”) wrote the script with go-to collaborators Alex Kurtzman and Robert Orci.

The film costars Sam Rockwell (Iron Man 2), Walton Goggins (Predators), Clancy Brown (”LOST”), Abigail Spencer (Haunting in Georgia), Keith Carradine (“Dexter”), Paul Dano (Taking Lives), Ana de la Reguera (Nacho Libre), and Adam Beach (Flags of Our Fathers).

(Update: The butt has been cut. Despite the above quote, there is sadly no visible Olivia Wilde nudity. Fun film nonetheless though)