The actor will be reprising his role as the leader of the Necromongers in the series' new sequel, according to Bloody Disgusting.
Urban's character Vaako was commanded by Lord Marshal to kill Riddick in the second film. It is unknown whether Vaako will feature in a cameo or a larger role for the latest instalment.
Lead actor Vin Diesel recently told fans that progress for the current film was underway, with the artwork in place. Universal Studios has handed the new movie an 'R' rating like the first film Pitch Black.
Diesel claims to have taken a pay cut as a compromise for the adult certification.
Priest 3D star Urban is to play the titular role in an adaptation of Judge Dredd by 28 Days Later writer Alex Garland.
Urban is also currently attached to JJ Abrams's planned follow-up to his rebooted Star Trek, which begins shooting this year.
Abrams confirmed this month that he will be directing the film, after months of speculation.
Watch the trailer for The Chronicles of Riddick below: