spellcasters alexander dreymon as our second witcher, ben barnes, rhys ifans or mads mikkelsen as his bio dad, freddy carter and cara delevingne as cousins, alexander skarsgÄrd for literally anything, joseph quinn, joseph gilgun, georgina campbell, former schoolmates who paid him to "see" their future and got swindled, a current or previous flatmate in brixton maybe, more slytherins always