Katja Herbers, born on October 19, 1980, in Amsterdam, North Holland, Netherlands, is a Dutch actress known for her versatile roles in television, film, and theater. She is the daughter of violinist Vera Beths and oboist Werner Herbers.

Growing up, she spent time in the United States, accompanying her mother on tour with the chamber music group L'Archibudelli. Her mother remarried cellist Anner Bylsma, and her father remarried costume designer Leonie Polak, who introduced her to the theater.

She had a Canadian au pair and learned to speak Dutch, German, and English during her childhood. She attended the Ignatius Gymnasium in Amsterdam and later studied psychology at the University of Amsterdam. During her psychology studies, she attended the local theatre school De Trap.

She then moved to New York and attended HB Studio before being accepted to the Academy of Theatre and Dance in Amsterdam. Her acting career began with roles in the films Peter Bell (2002) and Brush with Fate (2003).

After graduation, she joined the theatre company NTGent in Ghent and later the Munich Kammerspiele in Germany. Her work with directors such as Alex van Warmerdam, Ivo van Hove, and Theu Boermans earned her critical acclaim, particularly for her performance in Schnitzler's monologue Fräulein Else.

Katja Herbers gained international recognition for her role as Dr. Helen Prins in the WGN America drama series Manhattan (2014–2015). She also had recurring roles in the FX spy thriller series The Americans (2015), the HBO mystery drama series The Leftovers (2017), and the Discovery Channel drama series Manhunt: Unabomber (2017).

In 2018, she joined the cast of the HBO science fiction drama series Westworld, portraying Emily Grace. Since 2019, she has starred as Dr. Kristen Bouchard in the CBS/Paramount+ supernatural drama series Evil, a role that has brought her widespread acclaim.

In addition to her television work, she has appeared in several films. She starred in the Dutch blockbuster feature De storm (2009) and played a significant role in the mini-series Beatrix, Oranje onder Vuur (2012), where she portrayed the Dutch Queen (then Princess) Maxima. Her performance in the feature film Süskind (2012) as the right hand of Dutch war hero Walter Süskind was highly praised. She also co-wrote and starred in the romantic comedy Love Over Distance (2017).