Sidse Babett Knudsen was born on November 22, 1968 in Copenhagen, Denmark. She is an actress, known for Borgen (2010), Westworld (2016) and Inferno (2016).
Education: Theatre de L'Ombre i Paris fra 1987 - 1990
Won a Danish film award called Robert, for her role in Den eneste ene (1999) 
From 1987 to 1990, she trained in acting at the Theatre de l'Ombre in Paris despite knowing little French. Upon returning to Denmark, Knudsen played roles for the experimental theatre OVINE 302 as well as at the Betty Nansen and Royal Danish Theatres in Copenhagen.
She has a son named Louis Ray Knudsen, born in 2005.
Daughter of Ebbe Knudsen, a photographer, and wife Susanne Andersen, a school teacher.
Was listed among Hollywood Reporter's "25 Most Powerful Women in Global TV" (2014), for her work in Borgen (2010).
Although she was educated in Paris and speaks French, she wasn't cast in a French film production until 20 years after she completed her education. However, she was cast after the producers saw her work in the Danish TV series Borgen (2010).
In 2014, she was knighted as Chevalier de L'Ordre des Arts et des Lettres, which recognizes significant contributions to the arts, literature, or the propagation of these fields.
Was originally hesitant to star in The Duke of Burgundy (2014), but was convinced to star in the film, after she saw the director's former film Berberian Sound Studio (2012).
Has worked with Tom Hanks twice, within two years; A Hologram for the King (2016) andInferno (2016).
Has two brothers named Lasse Knudsen and Niclas Knudsen (b. 1972), a musician.
For her performance in Hermelinen (2015), the Danish Knudsen became one of the fifth non-French winner of the Best Supporting Actress César. The other 4 are, in chronological order: the Italian Virna Lisi in Dronning Margot (1994), the Belgian Cécile De France inLes poupées russes (2005), the Spanish Carmen Maura in Kvinderne på sjette sal (2010) and the American Kristen Stewart in Skyerne over Sils Maria (2014).