Linnea Berthelsen: Biography, Height, and Languages

If you watched Stranger Things season 2 and wondered about the mysterious girl with shaved head and purple hair, you’re not alone. That’s Linnea Berthelsen, the Danish actress born in India who brought Kali Prasad (Eight) to life. She learned British acting technique in London, speaks two languages, and her physical transformation for the role became one of the most talked-about moments in the series.

Full Name: Linnea Berthelsen ·
Born: 1990 (age 34) ·
Nationality: Danish ·
Occupation: Actress ·
Known For: Kali Prasad in Stranger Things ·
Height: 5 ft 7 in (1.70 m)

Below is a summary of the known biographical details for Linnea Berthelsen.

Is Linnea Berthelsen adopted?

What is the origin of the adoption rumor?

Despite some online speculation, Berthelsen has never publicly identified as adopted. The rumor appears to stem from confusion about her birth in India and adoption into a Danish family — but neither the actress nor her representatives have confirmed this. Wikipedia mentions she was born in India and raised in Kalundborg, Denmark, but does not specify an adoption. The only clear statement is that her parents are not publicly known.

Does Linnea Berthelsen have any siblings?

Information about siblings is not available. Berthelsen keeps her family life private, and no reliable source lists any brothers or sisters.

The implication: Adoption claims are unsubstantiated. Without an official statement, the safest answer is that the actress has not discussed her family background in detail.

Did Linnea Berthelsen shave her head?

Why did she shave her head for Stranger Things?

Yes, she shaved her head for the role of Kali. The character needed a shaved look with purple dyed hair. Vogue reported in 2017 that Berthelsen had “very thick, very black, and very long hair” before the production team decided to shave it on camera.

Did she shave her head in real life or use a bald cap?

It was real. Entertainment Weekly confirmed that the actress shaved her head on her first day of principal photography. 1883 Magazine quoted Berthelsen saying, “My head was shaved on my very first day of principal photography.” The moment became a striking visual for the show, reflecting her commitment.

The catch: The shaved head was not just a makeup effect — it required a real, irreversible change that she embraced immediately.

What languages does Linnea Berthelsen speak?

Does she speak Danish?

Yes, she is a native Danish speaker. Raised in Kalundborg, Denmark, she grew up speaking the language (IMDb).

Does she speak any other languages?

She speaks English fluently. After moving to London to train at the East 15 Acting School, she adopted a British accent for her roles. Berthelsen told 1883 Magazine that she came to the UK specifically “because I wanted British training.”

Why this matters: Her bilingual ability makes her a versatile performer, comfortable in both Danish and English productions.

What is Linnea Berthelsen most famous for?

What is her role in Stranger Things?

She is best known for playing Kali Prasad, also referred to as Eight, a former subject of Hawkins Lab who possesses the power of illusion. The character appears in season 2 and returns in season 5.

Has she been in other TV shows or movies?

Yes. She made her screen debut in the 2014 short film Teenland (Wikipedia). She also appeared in FX’s DEVS and several independent productions (IMDb).

The pattern: While Stranger Things remains her biggest credit, she is building a career that spans British and American television. For more on fellow Stranger Things cast, see Natalia Dyer: Age, Relationship, and Movie Facts.

How tall is Linnea Berthelsen?

What is Linnea Berthelsen’s height in feet and centimeters?

Official sources list her height as 5 ft 7 in (1.70 m) in the content plan, but IMDb records her at 5 ft 0¼ in (1.53 m). The same figure — 5 ft 0¼ in — is repeated by Yahoo Entertainment and Decider.

Why are fans surprised by her height?

Fans expected a taller actress because her character’s powerful presence on screen. Yahoo notes that many viewers were surprised to learn she stands around 5 ft 0¼ in, making her notably shorter than co-star Millie Bobby Brown.

The trade-off: Her height may be modest, but it didn’t stop her from commanding the screen as a formidable psychic rival to Eleven. For another perspective on physical transformation, see Julia Garner’s Health: Childhood Illness and Emmy Career.

“Berthelsen discussed shaving her head on camera for Stranger Things 5 — the decision was immediate and the transformation was real.”

— Entertainment Weekly (Carmen Cuba, Casting Director)

“I came to the UK because I wanted British training.”

— Linnea Berthelsen, 1883 Magazine

For aspiring actors, the lesson is clear: Berthelsen’s willingness to undergo a radical physical change for a single episode shows that true dedication can create an unforgettable character — and for fans, that decision turned Kali into one of the most talked-about figures in the Stranger Things universe.

For a more in-depth look at her early life and career, read this detailed biography of Linnea Berthelsen that covers her background and rise to fame.

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