Laura Fraser (born 24 July 1976) is a Scottish actress. She is best known for portraying Door in the urban fantasy series Neverwhere, Kate in the film A Knight's Tale, Cat MacKenzie in the drama series Lip Service and Lydia Rodarte-Quayle in the AMC crime drama series Breaking Bad and its spin-off Better Call Saul.
Fraser was born in Glasgow, the daughter of Rose, a college lecturer and nurse, and Alister Fraser, a screenwriter and businessman. She attended Hillhead High School and is a former member of the Scottish Youth Theatre. She trained at the Royal Scottish Academy of Music and Drama.
Fraser's first big break was playing Door in the BBC's dark fantasy series Neverwhere in 1996. She starred in the BBC film The Tribe (1998), and played Lavinia in Titus (1999) as well as Justine in Virtual Sexuality (1999) and Candice in Kevin & Perry Go Large (2000). She also appeared in the films A Knight's Tale (2001) and Vanilla Sky (2001). She starred in the BBC period drama serials He Knew He Was Right (2004), Casanova (2005), and Reichenbach Falls (2007). She starred in the British comedy film Nina's Heavenly Delights (2006). She played Claire Bellington in the ITV series Talk to Me (2007).