Christie grew up in a hamlet near the South Downs in southern England. She trained as a semi-professional gymnast as a child, but after a spine injury forced her to abandon that career, she took up acting.She graduated from Drama Centre London in 2005 and lives in London. Her striking height, 6 ft 3 in (1.91 m), motivated photographer Polly Borland to make her the subject of a noted series of photographs.In 2012 Gwendoline was cast in the role of Brienne of Tarth in the successful HBO TV adaptation Game of Thrones (2011). She plays the role of Commander Lyme in the last two Hunger Games movies: The Hunger Games: Mockingjay - Part 1 (2014) and The Hunger Games: Mockingjay - Part 2 (2015). She has also been cast in Star Wars: Episode VII - The Force Awakens (2015).