Netflix has confirmed the casting of Tristan Ruggeri as Young Geralt of Rivia. The news was initially discovered by the Redanian Intelligence website, who reported on a casting update from IMDb. According to IMDb, this will be Ruggeri’s first big role as an actor.
Tristan Ruggeri will play Young Geralt of Rivia in Netflix’s The Witcher
Source: IGN.com Netflix's The Witcher Has Cast Young Geralt