Naman Ramachandran Brothers Finn Wolfhard (“Stranger Things”) and Nick Wolfhard (“The InBetween”) will headline the voice cast of sci-fi animation series “New-Gen,” alongside Anya Chalotra (“The Witcher”).Targeted at the 7-plus age group, the series is set in a futuristic utopia called New-Gen, which becomes threatened by a nanotech war. It follows twins who live as ordinary teenagers and nanotech-enhanced superheroes.