Birgitte Hjort Sørensen; (born 16 January 1982) is a Danish actress who has worked in theatre, television, and film. While studying at the Danish National School of Theatre, Sørensen made her television debut in 2005 in the minor role of a receptionist in The Eagle. She rose to greater prominence when she took the role of Roxie Hart in the 2007 production of Chicago at Det Ny Theater in Copenhagen, Denmark. Her success on the Danish stage saw her win the same part in a London production of Chicago at the Cambridge Theatre.

In 2010 she came to international prominence playing the role of journalist Katrine Fønsmark, a main protagonist in the DR production Borgen. In 2013 she made a guest appearance in the BBC Three comedy drama series Bluestone 42.

Sidse Babett Knudsen (Danish pronunciation: [ˈsisə b̥ab̥ɛd̥ ˈkʰnusn̩]; born 22 November 1968) is a Danish actress who has worked in theater, television, and film. Knudsen made her screen debut in the 1997 improvisational comedy Let's Get Lost, for which she received both the Robert and Bodil awards for Best Actress.

Following the critical success of her debut, Knudsen has been considered one of the top Danish actresses of her generation.[1][2] In 2000, she again won both best actress awards for the comedy romance Den Eneste Ene (English title: The One and Only).[3] Knudsen has also received nominations for her lead roles in the films Monas Verden (Mona's World) and Efter brylluppet (After the Wedding).