Linnea Berthelsen: Danish Actress Behind Kali in Stranger Things

Linnea Berthelsen’s public story is as easy to blur as Kali’s introduction: she is a Danish actress born in India, and she has described acting in English as quietly demanding. “Definitely a challenge, but a blessing at the same time,” she told Schon Magazine, the outlet that interviewed her about her Stranger Things role.

Born: India · Raised: Denmark · Known for: Kali Prasad / 008 in Stranger Things · Speaks: Danish and English, per Galore’s profile of Linnea.

The quick reference points are worth keeping separate from the character’s on-screen information:

Is Linnea Berthelsen adopted?

Because Linnea was born in India and raised in Denmark, people sometimes assume an adoption story is part of her biography. The public record tells a slightly different story: the locations are confirmed, but the adoption itself is not an official part of Linnea’s own comments.

• What is clear: Linnea was born in India, grew up in Denmark, and has spoken about moving between Danish and English performance spaces.
• What is not clear: whether an adoption happened, and no reliable public profile examined here confirms one.

For fans who want to see a real-world mirror in Stranger Things, the more useful answer is that Kali’s story is a lab story, not a domestic one. Linnea’s casting makes conversations about her family unusually active, but the show itself never turns Kali into anyone’s biological child.

The implication: the actress’s personal background remains partly unseen.

What languages does Linnea Berthelsen speak?

Languages used by Linnea

• Danish: Linnea grew up in Denmark, and Danish is the language of her home life.
• English: Linnea performs in English and has described the shift as discipline-heavy rather than effortless.
• Other languages: no reliable source lists a third language in her public profile.

Her multilingual background

“Definitely a challenge, but a blessing at the same time.”

— Linnea, on working in English, to Schon Magazine.

“Kali was inspired in part by Charlize Theron’s character in Mad Max: Fury Road and by Anakin Skywalker from Star Wars,” Linnea told Noticias de Navarra.

The same interview emphasises that she feels more focused when she performs in English, because pronunciation and emotional timing require more active attention. Galore’s profile also says Linnea landed the Stranger Things audition through a self-tape sent by her Danish agent.

The pattern: language boundaries sharpen focus for the performer.

Is Kali Prasad Indian in Stranger Things?

The name Kali Prasad has an Indian cultural trace, but Stranger Things does not treat Kali as a nationality story. The series introduces her as a young woman from Hawkins Lab’s earlier tests. She exists inside the mythology of experiments, not inside a family-tree saga.

That is why Netflix’s official Stranger Things page and the show’s IMDb page both treat Kali as “008,” not as a character whose family origin is developed. Linnea’s own background is her own, but the show does not lay out an Indian upbringing for Kali.

What this means: the show avoids ethnic labeling for Kali.

Are Kali and Eleven real sisters?

No. Kali and Eleven are not biological sisters, and the show does not say that one was adopted into the other’s family. What connects them is the Hawkins Lab program: both were taken as children, both come from the same experiment line, and both are marked by numbers.

The comparison between them is strong enough to make the show treat them almost like mirrors:

Viewers sometimes read “sister” as an emotional word because both characters are lonely. But the story stops short of calling them family in a legal or biological sense.

The catch: emotional sisterhood does not require biology.

Is 008 older than 011?

The show gives Kali the lower number as a person before Eleven: 008 comes earlier than 011, which is a way of saying she was part of the lab’s process before El’s run. But the numbers are lab labels, not confirmed ages.

No official source gives Kali a birth date, and Linnea’s own biography page does not turn Kali into an older-sister figure. Instead, the number suggests that Eleven was never as alone as she believed: there were other children tested before her.

The implication: the lab numbers hint at chronology but not age.

Summary

The catch: the actress’s personal story remains distinct from her character’s.

Related reading

• Schon Magazine: interview with Linnea Berthelsen
• Galore: profile of Linnea Berthelsen
• Noticias de Navarra: interview with Linnea Berthelsen
• Wikipedia: Linnea Berthelsen
• Winona Ryder biography

Related reading: Winona Ryder · David Bradley

Frequently asked questions