James Purefoy, Mark Strong and Thomas Haden Church have joined the cast of "John Carter of Mars" for Disney Pictures for Heat Vision.
An adaptation of the Edgar Rice Burroughs book series, the story centers on a Civil War veteran (Taylor Kitsch) who finds himself mysteriously transported to Mars, where he becomes embroiled with the planet's warring people.
Church plays Tal Hajus, an ambitious and vicious Thark warrior who is biding his time to be a ruler. Purefoy plays Kantos Kan, the captain of the Xavarian, the kingdom of Helium's grand warship. Strong is Matai Shang, the ruler of the Thems with godlike status.
Lynn Collins, Willem Dafoe, Samantha Morton, Dominic West and Polly Walker also star. Andrew Stanton helms the film which is scheduled for release Summer 2012.