Twelve Years a Slave boasts one of the most impressive casts of any upcoming feature and Steve McQueen seems content adding even more big names. Or big names are just happy to join the acclaimed director’s third film. Either way, Benedict Cumberbatch is the newest star to board the adaptation that already features Michael Fassbender (McQueen’s Hunger and Shame muse), Chiwetel Ejiofor and Brad Pitt.
