Jenna Coleman
From Tardis Wiki, the free Doctor Who reference
Jenna-Louise Coleman (born 1986) played Oswin Oswald in the Doctor Who story Asylum of the Daleks.
Miss Coleman is best known for portraying Jasmine Thomas in Emmerdale and has also appeared in Waterloo Road as Lindsay James, the Marvel feature film Captain America: The First Avenger as Connie and the 2012 miniseries Titanic as Annie Desmond.
Coleman also introduced the prequel, The Great Detective, and the trailer for the 2012 Christmas Special for their broadcast during Children in Need.