Chris Hemsworth: 'Red Dawn' Stills!

Chris Hemsworth keeps it cool and casual as he steps out to celebrate Jamaican Independence Day at Boiler House on Monday (August 6) in London, England.

The 28-year-old The Avengers actor is gearing up for the release of his upcoming movie Red Dawn. Check out some new stills below!

PHOTOS: Check out the latest pics of Chris Hemsworth

Red Dawn is an action flick about a group of teenagers who band together to save their village from an invasion of North Korean soldiers. The movie, which also features Josh Hutcherson, hits theaters November 21.