Benedict Cumberbatch is officially off the market.

The "Sherlock" actor, 38, has announced his engagement to theater director and actress Sophie Hunter, 36, with an old-fashioned engagement announcement in yesterday's edition of The Times of London, in the "Forthcoming Marriages" section.

The low-key pair met on the set of the 2009 film, "Burlesque Fairytales."

They were last seen publicly together at the French Open in June.