Aris returns to his role as Anderson, a member of the forensics team at New Scotland Yard, while Graves returns as DI Greg Lestrade.
The BBC announced earlier this week that actress Amanda Abbington, the longtime partner of Sherlock star Martin Freeman, has been cast in “a role that significantly impacts upon the lives of John and Sherlock.”
Written by Mark Gatiss and directed by Jeremy Lovering, ‘The Empty Hearse’ began filming last week.
> Find out all the details on Series 3 so far in our summary.
Are you looking forward to Series 3? Let us know below…
> Buy the Series 1-2 boxset on Amazon.
> Buy the BBC’s official book, Sherlock: The Casebook, on Amazon.
Watch a clip from The Hounds of Baskerville…