Alex Kingston: Career, Cancer, and Life After ER

When Alex Kingston steps onto a stage, she carries more than acting chops — she brings a story of resilience that few in the audience know. The 63-year-old Londoner, best known for playing Dr. Elizabeth Corday on ER and the enigmatic River Song on Doctor Who, has navigated a high-profile divorce, a cancer diagnosis, and a mid-career reinvention.

Full Name: Alexandra Elizabeth Kingston ·
Born: 11 March 1963 (age 63 as of 2026) ·
Occupation: Actress ·
Known For: ER, Doctor Who ·
Instagram Followers: 225K

Seven facts about Kingston’s life, one pattern: a career that has weathered personal storms and emerged with new purpose.

Why did Alex Kingston leave Ralph Fiennes?

Alex Kingston married Ralph Fiennes in 1993, but the marriage ended in divorce in 1997 (Wikipedia). The split made headlines partly because Fiennes had reportedly begun a relationship with Francesca Annis, his co-star in a stage production of Hamlet. Kingston has said little publicly about the divorce, but it’s known that both actors were at the peak of their careers — Kingston was about to join ER, and Fiennes was earning Oscar nominations.

Who did Ralph Fiennes leave his wife for?

• Fiennes left Kingston for actress Francesca Annis, whom he met during a 1995 stage production of Hamlet.
• Fiennes and Annis were together for nearly a decade before splitting in 2006.

Why did Ralph Fiennes live in Ireland?

• Fiennes moved to Ireland after the divorce, purchasing a home in County Kerry.
• He has spoken about valuing the privacy and slower pace of life there.

The implication: Kingston’s divorce, while painful, freed her for the role that would define her career. Within months of the split, she was playing Dr. Elizabeth Corday on ER — a role that ran for seven seasons and earned her a Screen Actors Guild Award nomination.

Who is Alex Kingston’s daughter?

Kingston has one daughter, born in 2001, with her second husband, Florian Haertel (Wikipedia). The daughter’s name is not widely publicized, but Kingston has mentioned her in interviews. She has described motherhood as grounding and a source of strength during her cancer treatment.

Who is Alex Kingston’s disabled sister?

• Kingston has a sister who is disabled, though she has kept details private.
• In a 2026 interview, Kingston mentioned that her sister’s condition made her more aware of the importance of the NHS.

What this means: Kingston’s family life has been a consistent anchor. Her daughter’s privacy is clearly protected, but the actress occasionally shares how her family supported her through health challenges.

What health issues did Alex Kingston have?

In 2024, Kingston was diagnosed with womb cancer (BBC News). She underwent a hysterectomy and radiation therapy, with treatment finishing toward the end of 2024 (The Independent). She had ignored early symptoms — bloating and discomfort — for a long time, only seeking medical attention after noticing blood in her urine (BBC News). The cancer was in her fallopian tubes and had not spread to the ovaries (The Independent).

In February 2026, she praised the “warm, sensitive, and remarkable care” she received from NHS staff (BBC News). She also described radiation therapy as “draining and emotionally exhausting” (Mirror).

The trade-off: Kingston had to drop out of a TV project after the diagnosis (The Independent). She feared she might never get another job again. But the choice to prioritize her health and then return to public life on her own terms has reshaped her career narrative.

What does Alex Kingston do now?

As of 2026, Kingston is back to acting. She gave an interview to Prima magazine in early 2026, revisiting the early symptoms she had ignored (EntertainmentNow). She’s been active on Instagram, where she has 225K followers, sharing behind-the-scenes glimpses of her life. In March 2026, she spoke to SAGA magazine about her cancer treatment and returning to TV.

What is Alex Kingston doing in 2026?

• She has returned to filming for a new TV project (details not yet announced).
• She continues to perform in theatre.
• She advocates for cancer awareness and early detection.

The pattern: Kingston is not just resuming her career — she’s reframing it. Post-cancer, she’s choosing roles that matter to her and speaking openly about health, turning a personal ordeal into a public service message.

What is Alex Kingston’s net worth?

Estimates of Kingston’s net worth vary. Celebrity Net Worth places it at $6 million (Celebrity Net Worth), while other sources suggest a range of $4–6 million. Her primary income has come from acting, with ER and Doctor Who being her most lucrative roles. She has also earned from theatre appearances and endorsements.

The catch: Net worth figures for actors who are not A-list are notoriously unreliable. Kingston’s financial situation is likely stable but not extravagant — she has never been a tabloid fixture for wealth, and her health issues may have added medical expenses.

For Kingston, the choice to go public with her cancer battle and return to the spotlight on Strictly Come Dancing has reshaped her public image. She has turned a personal ordeal into a public service message about resilience and early detection.