Marvel have released a new image for the upcoming movie, Guardians of the Galaxy. The film is due to be released in August 2014. The new Marvel poster features what are believed to be the main characters of the movie; Gamora, Star-Lord, Rocket Raccoon, Drax the Destroyer, and Groot. As of last week, all the actors who will star as these five main characters, have been announced. The poster shows Zoe Saldana and Chris Pratt, along with Dave Bautista. Rocket Raccoon will be voiced by Bradley Cooper, and Groot by Vin Diesel. Karen Gillan (Amy Pond from Doctor Who) is also due to join the cast as Nebula, however she has not appeared on the posters line up.