Casting
Upon the limited series order announcement, Murray Bartlett, Connie Britton, Jennifer Coolidge, Alexandra Daddario, Fred Hechinger, Jake Lacy, Brittany O'Grady, Natasha Rothwell, Sydney Sweeney, and Steve Zahn were cast. On October 30, 2020, Molly Shannon, Jon Gries, Jolene Purdy, Kekoa Kekumano, and Lukas Gage joined the cast in recurring roles.
Upon the announcement of the second season, HBO announced that a predominantly new cast of characters would be at another White Lotus property for the second season, though White had said a few cast members from the first season might return as their characters. On October 15, 2021, Coolidge was reported to be set to return for the second season. In January 2022, Michael Imperioli, Aubrey Plaza, F. Murray Abraham, Adam DiMarco, Tom Hollander, and Haley Lu Richardson were confirmed to star in the second season. In February 2022, Theo James, Meghann Fahy, Will Sharpe, and Leo Woodall joined the cast. In March 2022, Beatrice Grannò, Sabrina Impacciatore, and Simona Tabasco joined the cast.
Upon the third-season renewal, producers confirmed that there would be a new cast of characters at another White Lotus resort. In April 2023, Rothwell was reported to be reprising her role as Belinda for the season. In January 2024, it was announced that Leslie Bibb, Jason Isaacs, Michelle Monaghan, Parker Posey, Dom Hetrakul, Tayme Thapthimthong, Carrie Coon, Miloš Biković, Christian Friedel, Morgana O'Reilly, Lek Patravadi, Shalini Peiris, Walton Goggins, Sarah Catherine Hook, Sam Nivola, Patrick Schwarzenegger, Aimee Lou Wood, Francesca Corney, Nicholas Duvernay, and Arnas Fedaravičius had joined the cast. Biković was dropped from the cast on February 2 due to his alleged support of Russia's invasion of Ukraine, and replaced by Julian Kostov. In February 2024, Scott Glenn and Lalisa Manobal were cast. In March 2024, Charlotte Le Bon joined the cast to replace Corney, as the producers wanted an actor who played older.
In December 2025, Alexander Ludwig and AJ Michalka were cast for the fourth season. In January 2026, Steve Coogan, Caleb Jonte Edwards, Helena Bonham Carter, Chris Messina, and Marissa Long joined the cast. In February 2026, Sandra Bernhard, Ari Graynor, and Dylan Ennis joined the cast. In March 2026, Vincent Cassel, Corentin Fila, Nadia Tereszkiewicz, Max Greenfield, Kumail Nanjiani, Chloe Bennet, Charlie Hall, Jarrad Paul, Heather Graham, Rosie Perez, Ben Schnetzer, Tobias Santelmann, Frida Gustavsson, and Laura Smet were cast. Bonham Carter left the cast in April 2026, shortly after filming began, when White decided that her character "did not align once on set". Variety reported that Bonham Carter and White had "creative differences" over White's demand for a boisterous performance. That same month, it was announced that Laura Dern would replace Bonham Carter, playing a new character White developed specifically for her; Dern had an uncredited voice cameo in season 2 as Michael Imperioli's character's wife. In May 2026, Ben Kingsley, Max Minghella, and Pekka Strang joined the cast, which HBO cited as the final major cast announcement for season 4. Later that month, during the Survivor 50 finale, White revealed that two fellow Survivor contestants, Charlie Davis and Kamilla Karthigesu, would appear in season 4.
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