Hellriser (2017) reunites actors Steven Dolton and Raven Lee who reprise their roles from Nocturnal Activity (2014).
Two of the cast of Hellriser (2017) appeared in the Robert (2015) franchise, Steven Dolton played Detective Bill Atkins in The Curse of Robert the Doll (2016) and Nathan Head played Officer Heinrich Berger in Robert and the Toymaker (2017).