Shazam!-fame Zachary Levi has joined the cast of Benedict Cumberbatch's incarceration drama Prisoner 760. Directed by Kevin Macdonald, the film, set in South Africa is said to be a battle for survival against impossible odds.

Apart from Cumberbatch and Levi, the film also features Jodie Foster, Tahar Rahim and Shailene Woodley. It is based on Slahi's best-selling memoir Guantanamo Diary. Michael Bronner has penned the screenplay of the film.

Prisoner 760 is being produced by Cumberbatch along with Adam Ackland and Leah Clarke through their company SunnyMarch. 

Other producers are Lloyd Levin and Beatriz Levin of Black Sheep Pictures, Mark Holder and Christine Holder of Wonder Street, and Branwen Prestwood Smith.