Benedict Cumberbatch: Garden Party at Buckingham Palace!

Benedict Cumberbatch chats with Prince Edward, Earl of Wessex, while attending a garden party hosted by Queen Elizabeth at Buckingham Palace on Thursday (June 6) in London, England.

The 36-year-old actor will reportedly be joined in the upcoming film Imitation Game by Keira Knightley, according to THR.

PHOTOS: Check out the latest pics of Benedict Cumberbatch

The film is about Alan Turing (Cumberbatch), who was a “U.K. mathematician and cryptographer who helped crack the German enigma code during the final years of World War II, helping the Allies to victory. He was later prosecuted by the government for being a homosexual and committed suicide.” Keira will play a woman who forms a relationship with the man and is there till the end.