Lena Headey is a British actress best known for starring as Cersei Lannister in Game of Thrones. Based on the most widely available public records, she was born on 3 October 1973. As of August 2026, that makes her 52 years old. This profile explains her verified birth date, age at key career milestones, and how to distinguish confirmed data from speculation. All figures below rely on authoritative biographical sources and publicly documented timelines.
Key Birth and Age Facts
The following table summarizes the core, verifiable details about Lena Headey’s birth and age. Dates and ages are drawn from public registries and reputable biographies where possible.
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Full Name | Lena Headey | Public records |
| Date of Birth | 3 October 1973 | Public biographies |
| Place of Birth | Hamilton, Bermuda | Biographical sources |
| Age as of August 2026 | 52 years old | Calculated from DOB |
| Zodiac Sign | Libra | Derived from birth date |
Age Timeline at Major Career Milestones
Understanding Lena Headey’s age at key moments helps contextualize her career trajectory. The list below aligns her age with widely reported professional achievements.
- 2004, age ~31: Early notable role in feature film Alexander.
- 2011–2019, age ~38–46: Main cast period as Cersei Lannister in Game of Thrones.
- 2021, age ~48: Leading role in the film Fighting with My Family and continued screen work.
- 2024, age ~51: Ongoing work in television and film projects.
How We Determine Age from Birth Date
Age is calculated by comparing the date of birth to the current date. For Lena Headey, using 3 October 1973 as the birth date, each year after 1973 adds one year to her age until the birthday passes in the current year. Because her birthday is in October, she gains a year each October. This method is standard for biographical age reporting and is the basis for stating that she is 52 years old in August 2026.
Common Age Misconceptions and Clarifications
Public discussion sometimes approximates her birth year differently, but reliable sources consistently list 1973. Misconceptions can arise from informal interviews, outdated press kits, or confusion with co-stars. This profile prioritizes data from registries, legal documents, and reputable biographies. When estimates appear, they are noted as such and contrasted with verified dates where possible.
Why Birth Year Accuracy Matters for Public Figures
Correct age reporting affects contract timelines, role suitability, and legacy framing for actors. For Lena Headey, precise dates help journalists, researchers, and fans contextualize career phases, industry shifts, and evolving responsibilities. Reliable age data also supports deeper coverage of longevity in the industry and comparisons across peers.
Comparing Ages in the Industry
Placing Lena Headey’s career span in context with contemporaries offers additional insight. The following concise comparison illustrates how her career period aligns with peers who gained prominence in the 2000s and 2010s.
| Actor | Birth Year | Peak Fame Period |
|---|---|---|
| Lena Headey | 1973 | 2011–2019 (Cersei Lannister) |
| Emilia Clarke | 1986 | 2011–2019 (Daenerys Targaryen) |
| Nikolaj Coster-Waldau | 1970 | 2011–2019 (Jaime Lannister) |
| Maisie Williams | 1989 | 2011–2019 (Arya Stark) |
Where to Find Authoritative Age Information
For ongoing questions about Lena Headey’s age or career dates, prioritize official biographies, reputable entertainment databases, legal documents, and verified press materials. Treat informal claims, especially those lacking citations, as provisional. When in doubt, cross-reference multiple authoritative sources to confirm the birth year and age calculations.