Hollywood actors John Travolta and Chuck Norris have reportedly joined the cast of the movie, The Expendables II, sequel to the one directed by Sylvester Stallone in 2010. The movie is said to be shot in Bulgaria. David Varod, the head of the Bulgaria-based NU Boyana studios, has revealed the names of the actors, reported Aceshowbiz. He said that original cast of the movie will reprise their roles. The sequel will be directed by Simon West and will release on August 17, 2012.