Wikimedia Commons/The White Lotus Season 4 TV Laura Dern joins The White Lotus Season 4 after Helena Bonham Carter exits; a new role written for her by Mike White. April 29, 2026 AceShowbiz - The White Lotus is making headlines with a major casting change for its upcoming fourth season. Following the departure of Helena Bonham Carter, the acclaimed actress Laura Dern has been confirmed to join the cast, according to TVLine.