Gemma Chan (born on 29 November 1982) is an English actress and former model. She is best known for playing Mia Bennett in the BBC's Doctor Who "The Waters of Mars" with David Tennant and Lindsay Duncan; Soo Lin in Sherlock, the modern day adaptation of Sherlock Holmes for BBC One with Benedict Cumberbatch and Martin Freeman; and Charlotte in season four of Secret Diary of a Call Girl.
Gemma Chan was born in London, England on 29 November 1982 but was brought up in Kent in South East England. She attended Newstead Wood School for Girls. Her mother is of Scottish-Chinese heritage and her father grew up in Hong Kong. She went on to study law at the constituent University of Oxford college Worcester College. When she graduated, she was offered a job with a leading law firm. Instead, she decided to pursue an acting career, and wound up at the prestigious and notoriously tough Drama Centre London where such actors as Paul Bettany, Anne-Marie Duff, Colin Firth and Pierce Brosnan trained. Spotted at her showcase by British film producer Damian Jones (The History Boys, Kidulthood, Welcome to Sarajevo), she then signed to acting agent Nicki van Gelder, who has guided the careers of Samantha