Rose Leslie is a Scottish actress. Her leading on screen debut was at age 21 in the television film New Town (2009). She is famous for playing Ygritte in the HBO fantasy series Game of Thrones (2011). Leslie also appeared in the films Now Is Good (2012) and The Last Witch Hunter (2015).

Leslie was born Rose Eleanor Arbuthnot-Leslie in Aberdeen, Scotland, near Lickleyhead Castle, where her family has lived for more than 500 years. Rose is the daughter of Candida Mary Sibyl (Weld) and Sebastian Arbuthnot-Leslie, who is the Aberdeenshire Chieftain of Clan Leslie. She is the middle of five children, and went to the local primary school in Rayne, before going to Millfield, a co-ed public school in England. It was at Millfield that Rose really cultivated her love for acting, as the school had an excellent drama department. After five years at Millfield, Rose went on to the London Academy of Music and Dramatic Art (LAMDA) to earn a bachelor's degree with honors in 2008.

Rose's first acting job was in a television documentary series, called Locked Up Abroad (2007), in 2008. In 2009, she appeared in the made-for-TV film, Purves + Pekkala (2009), in which she received a Scottish BAFTA Award for Best Acting Performance - New Talent Award. In 2010, Rose appeared in the British TV Series, Downton Abbey (2010), as "Gwen Dawson", for 7 episodes. Later that year, she appeared in the play, "Bedlam", at the Globe Theatre in London. In 2011, Rose appeared in the British drama television series, Case Histories (2011), as "Laura Wyre", for 2 episodes. In 2012, Rose played "Lena Holgate" in the episode, Vera: The Ghost Position (2012), in the British detective television series, Vera (2011). Later that same year, Rose would make her iconic appearance in the 2nd season of the HBO epic fantasy series, Game of Thrones (2011), opposite Kit Harington as the wildling "Ygritte".

She is of Scottish, English, Welsh, 1/8th Mexican, and more distant Irish and French Huguenot, descent (Rose's paternal great-grandmother, María de la Luz de Landa Osio, was from a wealthy Mexican family). Rose is a descendant of New Zealand politician Frederick Weld; Charles Clifford, 6th Baron Clifford of Chudleigh; Ambrose Lisle March Phillipps De Lisle, who founded Mount St. Bernard Abbey; politician Charles March-Phillipps; Simon Fraser, 13th Lord Lovat; and James Grimston, 3rd Earl of Verulam; and other prominent leaders in the British Empire.