Benedict Cumberbatch's rumoured girlfriend revealed to be actress Sophie Hunter

is believed to be

.After pictures emerged of the

actor with

, the 38-year-old's legion of fans sought to identify his

.

Benedict and Sophie attended the French Open in June together

On Saturday

confirmed that

, an Oxford graduate who appeared in 2004 blockbuster

as well as TV shows including

and

.Benedict and Sophie have known each other for some time and starred together in 2009 film

.

When quizzed about her daughter's relationship with the

actor, Sophie's Edinburgh-based mum Anna cryptically told

:

Sophie, who played Anne Boleyn in

, studied French and Italian at Oxford before undertaking a course at the Jacques Lecoq school of theatre in Paris.

Harrow-educated Benedict, who studied drama at Manchester University, has previously been romantically linked to

and dated

star

for 12 years.