Daniel Craig and Harrison Ford are expected to ride into London for the UK premiere of Cowboys And Aliens.
The film, directed by Iron Man's Jon Favreau, will open a three-day-long film festival Empire Presents Big Screen, which runs at London's O2 Arena from August 12 to the 14.
Fright Night, which stars Colin Farrell and David Tennant, will close the festival, and the former Dr Who star will walk the red carpet.
Daniel Radcliffe fans will also be able to see a screening The Woman In Black, his first feature since completing the Harry Potter series.
With backing from major Hollywood film studios, the festival will offer sneak previews of forthcoming films like The Change-Up starring Ryan Reynolds and Jason Bateman, Tinker, Tailor, Soldier, Spy with Gary Oldman and Colin Firth, and secret screenings of a new film.
StreetDance stars Flawless will be teaching fans a routine from StreetDance, while Real Steel director Shawn Levy will introduce a sneak peek of the film, which stars Hugh Jackman and Evangeline Lilly.
Tickets are priced from £35 - for more information, see www.empirebigscreen.com