About
Sienna Tiggy Guillory is an English actress and former model known for her diverse roles in film and television. She gained prominence for portraying Jill Valentine in the Resident Evil action-horror film series, becoming a familiar face to fans of the franchise. Guillory has also taken on notable roles, such as elf princess Arya Dröttningu in Eragon and the titular character in the TV miniseries Helen of Troy. Additionally, she has appeared in TV shows like Fortitude, Stan Lee's Lucky Man, and Luther.
Career Timeline
Begins Modeling Career
Sienna Guillory begins her career as a model before transitioning to acting.
Early Film Appearances
Guillory starts her acting career with appearances in smaller film roles.
Stars in Resident Evil
Guillory gains prominence for her role as Jill Valentine in the Resident Evil film series.
Plays Arya in Eragon
Guillory takes on the role of elf princess Arya Dröttningu in Eragon.
Appears in Fortitude TV
Guillory broadens her acting career by acting in Television series.
Continues Acting Roles
Guillory continues to pursue acting, maintaining a steady but not stratospheric career.
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Last updated: February 21, 2026