Egerton started her acting career age six, following her older sister, Sophia to a local youth theatre, saying; "The whole reason I'm acting now is because I wanted to be doing what my big sister was doing". A year later, she appeared in a Royal Shakespeare Company musical production of The Secret Garden, playing Mary. Egerton's other film credits include Sarah in Driving Lessons (2006) alongside Rupert Grint, and Flora in Knife Edge (2008). Her role as Holly Goodfellow in the 2005 film Keeping Mum sparked controversy as she appeared topless at the age of 16. She was to appear as Katrina in Eragon, but the scenes which she featured in were removed from the final cut. Egerton starred as Princess Elenora in the TV children's series Sir Gadabout: The Worst Knight in the Land. In 2001, she starred as the "young" Morgaine in the TV mini series The Mists of Avalon. She has also appeared on stage - in the RSC's musical version of The Secret Garden. In 2009 Egerton appears in the St Trinian's sequel, St. Trinian's II: The Legend of Fritton's Gold. In 2010 it was confirmed that Egerton will play Guinevere in the new US Starz adaptation of Camelot. Also starring Joseph Fiennes, Eva Green and Jamie Campbell Bower. Tamsin Egerton(1988년생, Hampshire, England, UK) 는 배우로, 대표작으로 러브, 로지, 키핑 멈, 그랜드 피아노가 있으며, 그 외에도 무언의 목격자, Playhouse Presents, 카멜롯, 그림스비: 용감한 형제, 나폴레옹, The Mists of Avalon, Psychobitches, 세인트 트리니안스, 저스틴, Gogglebox, 샬레이 걸, 더 룩 오브 러브 등 다양한 작품에 출연했다. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2024년 Tell That to the Winter Sea에서 Jade 역을 맡았다. 2019년 Balance, Not Symmetry에서 Fiona Miller 역을 맡았다. 2016년 그림스비: 용감한 형제에서 Carla 역을 맡았다.