Rose Eleanor Arbuthnot-Leslie (born 9 February 1987) is a Scottish actress. She is known for her roles as Gwen Dawson in the ITV drama series Downton Abbey and Ygritte in the HBO fantasy series Game of Thrones, as well as playing Maia Rindell in three seasons of the CBS All Access legal and political drama The Good Fight and starring as Clare Abshire in HBO's The Time Traveler's Wife.
The series follows Sam Fisher, a highly trained agent of a fictional black-ops sub-division within the NSA, dubbed "Third Echelon", as he overcomes his adversaries.