The two men are part of a quad of gang leaders in Novigrad’s criminal underground, with each of them seeking to rule Novigrad, the largest city in the northern part of the Continent.
So, if Parker is, indeed, a part of the upcoming season of The Witcher, he could still be keeping with the illegal activities when we see him.
In the game, Parker’s character Cleaver is actually another member of The Big Four along with Dijkstra.
But, it would be a nice twist to the role that Alastair Parker took on in The Witcher 3, because it’s thought that he may be playing Sigismund Dijkstra, a character with some impressive physicality, just like Parker.
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Geralt & His Dwarven Squad: Gangs of Novigrad (Witcher 3 | Cleaver Quest)