Rose Leslie attends the DVD launch of the complete first season of 'Game Of Thrones' at Old Vic Tunnels on February 29, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

Rose Leslie attends the DVD launch of the complete first season of 'Game Of Thrones' at Old Vic Tunnels on February 29, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

Rose Leslie attends the premiere of 'The Cabin In The Woods' at The Mayfair Hotel on April 5, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

Rose Leslie attends the premiere of 'The Cabin In The Woods' at The Mayfair Hotel on April 5, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

Rose Leslie attends the premiere of 'The Cabin In The Woods' at The Mayfair Hotel on April 5, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

Rose Leslie attends the premiere of 'The Cabin In The Woods' at The Mayfair Hotel on April 5, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

Sophie McShera and Rose Leslie attend the English National Ballet pre-performance party to celebrate their new season which honours the legacy of the Ballet Russes at the St Martins Lane Hotel on March 22, in London, England. (Photo by Ian Gavan/Getty Images)

Rose Leslie attends the English National Ballet pre-performance party to celebrate their new season which honours the legacy of the Ballet Russes at the St Martins Lane Hotel on March 22, in London, England. (Photo by Ian Gavan/Getty Images)