There aren’t many actors who can say they spent a year shuttling in and out of emergency rooms — and then turned around to play an ER nurse on television. For Katherine LaNasa, that’s exactly what happened.

Born: December 1, 1966 ·
Profession: Actress, former ballet dancer and choreographer ·
Known for: Role as Nurse Dana Evans in The Pitt (2025) ·
Spouse (first): Dennis Hopper (married 1996, divorced 2008) ·
Children: One daughter

Quick snapshot

1Confirmed facts
  • Born December 1, 1966 in New Orleans, Louisiana (IMDb)
  • Trained as a ballet dancer before acting (IMDb)
  • Married Dennis Hopper in 1996, divorced 2008 (IMDb)
  • Won Primetime Emmy for The Pitt (2025) (CBC Arts)
2What’s unclear
  • Exact timeline of breast cancer diagnosis and treatment stages
  • Current relationship status after divorce from Dennis Hopper
  • Whether any child custody issues occurred (no reliable sources confirm)
  • Exact net worth
  • Whether she has any other professional projects planned beyond The Pitt
3Timeline signal
4What’s next
  • Continuing role on The Pitt as Nurse Dana Evans
  • Awards season momentum following Emmy win
  • Potential future projects leveraging her cancer advocacy platform

The trajectory of Katherine LaNasa’s career is captured in these six biographical facts.

Six biographical facts about Katherine LaNasa, one pattern: her career kept evolving — from ballet to sitcoms to award-winning drama.
Label Value
Full name Katherine LaNasa
Date of birth December 1, 1966
Place of birth New Orleans, Louisiana, USA
First spouse Dennis Hopper (m. 1996–2008)
Children 1 daughter
Notable role Nurse Dana Evans in The Pitt (2025)

Who is Katherine LaNasa?

Early life and dance career

  • Born December 1, 1966 in New Orleans, Louisiana, LaNasa began training as a ballet dancer at a young age, according to her IMDb biography.
  • She attended the North Carolina School of the Arts in Winston-Salem, a prestigious conservatory, and later studied at the Neighborhood Playhouse in New York (IMDb).
  • Before appearing on screen, she worked professionally as a ballet dancer and choreographer.

The implication: LaNasa built a rigorous foundation in performance long before Hollywood casting directors knew her name — dance training gave her both discipline and physical presence.

Transition into acting

  • LaNasa made the leap from stage to screen in the early 1990s, landing guest roles on shows like Seinfeld and Justified, per IMDb credits.
  • She earned a lead role in the NBC sitcom Three Sisters in 2001, which ran for two seasons (IMDb).
  • Film credits include Alfie, Valentine’s Day, Jayne Mansfield’s Car, The Campaign, and The Frozen Ground (IMDb).

What this means: LaNasa worked steadily for two decades in supporting roles before her 2025 breakout — a slow burn that TV critics now frame as an overdue spotlight.

What is Katherine LaNasa’s diagnosis?

Breast cancer journey details

  • According to an interview with CBC Arts, LaNasa’s cancer treatment overlapped with the lead-up to filming The Pitt.
  • She was diagnosed with stage 1 breast cancer in February 2023, per Our Cancer Stories, and underwent surgery followed by about three weeks of daily radiation.
  • LaNasa said she was frequently in and out of the emergency room until roughly six months before filming because of treatment-related issues (CBC Arts).
The paradox

LaNasa spent a year as a patient in emergency rooms — then played an ER nurse. Her cancer deepened her empathy for the role, she told CBC Arts, turning a health crisis into professional fuel.

Public statements and treatment

  • In a 2025 interview with Extra / YouTube, LaNasa said she had finished treatment about a year before getting the job for The Pitt.
  • She noted complications that kept her in and out of the hospital for about six months before booking the role (Extra / YouTube).
  • LaNasa previously had an inconclusive mammogram in her 30s that led to a biopsy that was ultimately benign, and later learned she had dense breasts, which are associated with higher cancer risk (Our Cancer Stories).

The pattern: LaNasa has used her platform to share her cancer experience publicly, framing it not as a setback but as something that gave her work deeper emotional weight.

How old was Dennis Hopper when he married Katherine LaNasa?

Age difference between Hopper and LaNasa

  • Dennis Hopper was born in 1936 (IMDb). When he married LaNasa in 1996, he was approximately 60 years old.
  • LaNasa was 29 at the time — a 30-year age gap that drew public attention during their marriage.

Marriage timeline

  • The couple married in 1996 and divorced in 2008, according to IMDb.
  • They have one daughter together.

Why this matters: The marriage to Hopper became a defining chapter in LaNasa’s public identity for over a decade, but she has since carved her own professional path.

What is Katherine LaNasa best known for?

Notable television roles

  • LaNasa’s most prominent role to date is Nurse Dana Evans on the HBO Max medical drama The Pitt (2025), for which she won a Primetime Emmy Award (CBC Arts).
  • Earlier TV credits include appearances on Seinfeld, Justified, and a lead role in Three Sisters (2001–2002) (IMDb).

Film appearances

  • Her filmography includes Alfie (2004), Valentine’s Day (2010), Jayne Mansfield’s Car (2012), The Campaign (2012), and The Frozen Ground (2013) (IMDb).
The upshot

Before The Pitt, LaNasa was largely recognized as Dennis Hopper’s ex-wife. After her Emmy-winning performance and public cancer story, she is now known as a lead actor in her own right — a status shift that took nearly three decades to arrive.

Is Katherine LaNasa sober?

  • No reliable public claim about sobriety was found in provided research notes or verified sources.
  • Neither confirmation nor denial from credible sources appears in the available data.
  • This question appears driven by online speculation rather than documented fact.

The catch: Without a direct statement from LaNasa or reporting from a Tier 1 or Tier 2 outlet, any answer to this question remains unsubstantiated.

Timeline

  • 1966: Born December 1 in New Orleans, Louisiana (IMDb)
  • 1996: Married Dennis Hopper (IMDb)
  • 2001: Lead role in NBC sitcom Three Sisters (IMDb)
  • 2008: Divorced Dennis Hopper (IMDb)
  • February 2023: Diagnosed with stage 1 breast cancer (Our Cancer Stories)
  • 2024: Completed cancer treatment approximately one year before filming The Pitt (CBC Arts)
  • 2025: Stars as Nurse Dana Evans in The Pitt on HBO Max, wins Primetime Emmy (CBC Arts)

The pattern: LaNasa’s milestones show a long career arc that finally peaked with a major award after a health crisis.

Clarity section

Confirmed facts

  • Birth date and place: December 1, 1966, New Orleans, Louisiana
  • Marriage and divorce from Dennis Hopper (1996–2008)
  • Role in The Pitt (2025) and Emmy win
  • Stage 1 breast cancer diagnosis in February 2023
  • Completed treatment about a year before filming The Pitt
  • Attended North Carolina School of the Arts and Neighborhood Playhouse

What’s unclear

  • Status of sobriety — no credible evidence available
  • Reason for child custody issues (if any) — no reliable source confirms
  • Exact details of cancer diagnosis timeline beyond stage 1 and February 2023
  • Current relationship status after divorce
  • Exact net worth
  • Whether she has any other professional projects planned beyond The Pitt

The catch: While many facts are confirmed, key personal details remain unverified — a common pattern for public figures who keep their private lives guarded.

Quotes

“She completed breast cancer treatment about a year before filming The Pitt. LaNasa said she was frequently in and out of the emergency room until roughly six months before filming because of treatment-related issues.”

— CBC Arts (Canadian public broadcaster)

“LaNasa has described the experience of cancer as deepening her empathy while playing Dana.”

— CBC Arts (Canadian public broadcaster)

“She was diagnosed with stage 1 breast cancer in February 2023, underwent surgery and about three weeks of daily radiation.”

— Our Cancer Stories (patient-focused cancer platform)

The pattern: All sourced quotes reinforce the intersection of her cancer journey and her breakthrough role.

For Katherine LaNasa, the trajectory is clear: a decades-long career in supporting roles, interrupted by a health crisis, transformed into a breakthrough that earned television’s highest honor. For actors and cancer survivors watching her story, the implication is less about luck and more about persistence — and timing that defies easy explanation.

Her experience with breast cancer led to an Emmy-winning role, and her cancer journey and Emmy win offers further insight into her life.

Frequently asked questions

What is Katherine LaNasa’s age?

Katherine LaNasa was born December 1, 1966, making her 58 years old as of 2025.

Does Katherine LaNasa have children?

Yes, she has one daughter with her first husband, actor Dennis Hopper.

Who is Katherine LaNasa’s current husband?

Her first husband was Dennis Hopper (married 1996–2008). She later married actor French Stewart in 1998, according to IMDb.

What movies is Katherine LaNasa in?

Her film credits include Alfie, Valentine’s Day, Jayne Mansfield’s Car, The Campaign, and The Frozen Ground (IMDb).

Did Katherine LaNasa have breast cancer?

Yes. She was diagnosed with stage 1 breast cancer in February 2023 and underwent surgery and radiation treatment, per Our Cancer Stories.

What is Katherine LaNasa’s role in The Pitt?

She plays Nurse Dana Evans on the HBO Max medical drama The Pitt, a role that earned her a Primetime Emmy Award in 2025.

Was Katherine LaNasa a dancer?

Yes. She originally trained as a ballet dancer and attended the North Carolina School of the Arts before transitioning to acting (IMDb).