Best known for her role as Martha Jones in the British Broadcasting Company’s Doctor Who and its spinoff, Torchwood, Freema Agyeman is a hot topic in the U.K. Having experience in everything from the small screen to the stage, her role as Crown Prosecutor Alesha Philips in Law & Order: U.K. has generated even more attention for the starlet. Agyeman’s latest role is “party girl” Larissa in the new American series and Sex and the City prequel, The Carrie Diaries.