Meet Teen Vogue’s New Hollywood Class of 2025 Leah Sava Jeffries, Mckenna Grace, and Mason Thames. In the ever-shifting organism that is Hollywood, the teen titans have played key roles in projects that have deeply engaged, invested fans. From Mckenna’s scene-stealing role in ‘Ghostbusters: Afterlife’ to Leah’s starring role as Annabeth Chase in ‘Percy Jackson and the Olympians’ and Mason who helmed the live-action ‘How to Train Your Dragon,’ these actors are breaking through in a major way. Hear what they have to say about figuring out the kind of adults they want to become alongside the fans who love their work.