Vin Diesel as Riddick

Colm Feore as Lord Marshal

Thandiwe Newton as Dame Vaako

Judi Dench as Aereon

Karl Urban as Vaako

Alexa Davalos as Kyra

Linus Roache as Purifier

Yorick van Wageningen as The Guv

Nick Chinlund as Toombs

Keith David as Abu 'Imam' al-Walid

Mark Gibbon as Irgun

Roger Cross as Toal

Kim Hawthorne as Lajjun

Alexis Llewellyn as Ziza

Charles Zuckermann as Scales

Kristin Lehman as Shirah

Terry Chen as Merc Pilot

Christina Cox as Eve Logan

Nigel Vonas as Merc

Shawn Reis as Merc

Fabian Gujral as Merc

Ty Olsson as Merc

Peter Williams as Convict

Darcy Laurie as Convict

John Mann as Convict

Adrien Dorval as Convict (as P. Adrien Dorval)

Alexandr Kalugin as Slam Boss

Douglas Arthurs as Slam Guard

Vitaly Kravchenko as Slam Guard

Ron Selmour as Slam Guard

Raoul Ganeev as Slam Guard

Mark Acheson as Slam Guard

Shohan Felber as Slam Guard

Ben Cotton as Slam Guard

Andy Thompson as Scalp Taker

Cedric De Souza as Black Robed / Meccan Cleric

Ahmad Sharmrou as Black Robed Cleric

Stefano DiMatteo as Black Robed Cleric (as Stefano Colacitti)

Mina E. Mina as Coptic Cleric (as Mina Erian Mina)

John Prowse as Bump Pilot

Lorena Gale as Defense Minister

Christopher Heyerdahl as Helion Politico

Rob Daly as Helion Politico

Michasha Armstrong as Lead Meccan Officer (as Micasha Armstrong)

Aaron Douglas as Young Meccan Soldier

Colin Corrigan as Vault Officer