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30-year-old Mathilda is on the verge of perfect adulthood with a job at a law firm and a stable relationship. But when her boyfriend proposes, an avalanche of emotions lead to questionable actions and put Mathilda's life in jeopardy.

Series Cast

  1. Carla Sehn as Mathilda

    Carla Sehn


    8 Episodes

  2. Felix Herngren as Frank

    Felix Herngren


    8 Episodes

  3. Simon Reithner as Johannes

    Simon Reithner


    8 Episodes

  4. David Dencik as Nathan

    David Dencik


    8 Episodes

  5. Katarina Ewerlöf as Nora

    Katarina Ewerlöf


    8 Episodes

  6. Vilhelm Blomgren as Emil

    Vilhelm Blomgren


    8 Episodes

  7. Rakel Wärmländer as Martha

    Rakel Wärmländer


    8 Episodes

  8. Elmira Arikan as Yolanda

    Elmira Arikan


    8 Episodes

  9. Dominik Henzel


    8 Episodes

  10. View More

Full Cast & Crew

Last Season

Season 1

2022 • 8 Episodes

Season 1 of Adult Behavior premiered on October 6, 2022.

Episode 8

(1x8, November 24, 2022) Season Finale

View All Seasons

Adult Behavior
Adult Behavior


Original Name Vuxna människor

Status Returning Series


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Type Scripted

Original Language Swedish


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