The Works has bulked up its Cannes slate and acquired international sales rights from Submarine to the nuclear proliferation documentary, according to people close to the deal.

The Participant Media production premiered in Sundance and argues that the threat of nuclear annihilation remains as great as ever.

Magnolia recently acquired North American theatrical rights and History Channel has the first TV window in the US.

Lucy Walker directed Countdown To Zero (pictured), which features contributions from Jimmy Carter, Mikhail Gorbachev, Tony Blair and Pershev Musharraf.

Regular Quentin Tarantino collaborator Lawrence Bender produced and Diane Weyermann, Bruce Blair and Matt Brown served as executive producers.