Ashley Jensen (born August 11, 1969) is a Scottish actress. She is best known for her roles as Maggie Jacobs in Extras (2005–2007, for which she was nominated for an Emmy Award), Christina McKinney in Ugly Betty (2006–2010), Agatha Raisin in Agatha Raisin (2014–present), and DI Ruth Calder in Shetland (2023–present). Jensen trained in Drama at Edinburgh’s Queen Margaret University.