Robert Eggers’ Werwulf is set to premiere in the United States on December 25, 2026. This period horror film, co-written by Eggers and Sjón, is produced by Eggers with Focus Features handling financing and distribution. Set in 13th-century England, the story focuses on a community facing a creature as ancient folklore becomes a terrifying reality. The film stars Aaron Taylor-Johnson, Lily-Rose Depp, Willem Dafoe, Ralph Ineson, and Simon McBurney. Their performances help bring the medieval horror story to life.Main cast and characters of Werwulf1) Aaron Taylor-Johnson as the WerwulfGerman premiere of the feature film Bullet Train (Image via Getty)Aaron Taylor-Johnson stars as the main character in the movie. Over his career, he has acted in various genres, starting with early roles in films such as Shanghai Knights and The Illusionist. He then gained fame for playing John Lennon in Nowhere Boy and later appeared in major studio films such as Kick-Ass, Godzilla, and Avengers: Age of Ultron. Taylor-Johnson has continued to work in both films and big franchises, with recent roles in Nosferatu and 28 Years Later. His career includes a Golden Globe Award and nominations from other international awards. Besides acting, he has also contributed behind the scenes, co-writing and producing some projects in recent years.2) Lily-Rose DeppEE British Academy Film Awards 2020 - Red Carpet Arrivals (Image via Getty)Lily-Rose Depp takes the lead in Werwulf after collaborating with Robert Eggers on Nosferatu. She started with roles in Tusk and The Dancer, then moved toward historical dramas like The King, while also exploring modern stories such as A Man and Voyagers. Besides acting, Depp stays connected to fashion brands and regularly attends major film events worldwide. Instead of sticking to just one path, she balances work in film, television, and photo shoots, taking on roles that range from intense dramas to niche projects.3) Willem Dafoe View this post on Instagram Instagram PostWillem Dafoe teams up again with Robert Eggers for this project, following their work on The Lighthouse, The Northman, and Nosferatu. His role in Wehrwulf remains unknown. Dafoe’s career spans over 40 years, including roles in films, international projects, and prominent franchises. He has received Oscar nominations and recognition at festivals like Venice and Berlin. His upcoming projects include a mix of studio films and independent movies, continuing his habit of alternating between big-budget productions and more intimate, character-driven stories.4) Ralph InesonRalph Ineson (Image via Instagram/@ralph.ineson)Ralph Ineson joins the cast of Werwulf in an undisclosed role. He has appeared in several well-known productions, including the Harry Potter film series, Robert Eggers’ The Witch, David Lowery’s The Green Knight, and the 2024 adaptation of Nosferatu. Ineson has also been involved in projects such as The First Omen and The Fantastic Four: First Steps. Beyond screen acting, Ineson is often sought after for narration and voice work because of his distinctive baritone. He has contributed to documentaries, advertising, and video games.No official announcement has been made about Werwulf's full cast. More details about the characters will likely be available as the production progresses.Also read: Was Stranger Things’ Vecna star Jamie Campbell Bower in the Harry Potter movies? Details explored.