Lara studied drama with the National Youth Music Theatre and went on to gain a BA Hons degree in Theatre. Lara's extensive theater career lead her to gain a Laurence Olivier Award nomination for her portrayal of Lucille Frank in Rob Ashford's production of Parade at The Donmar Warehouse. She was invited to re-create the role at the Mark Taper Forum in Los Angeles opposite T.R, Knight, winning much critical praise.
Lara made her screen debut in 2008, in the BBC prime time show Robin Hood, playing Isabella of Gisbourne. The show has been a huge international success and currently airs on BBC America. In 2010, Lara appeared in The Special Relationship, a British/American political film starring Michael Sheen and Dennis Quaid. Most recently, she made appearances in the popular television shows Skins and Sherlock.