Sherlock photograph reveals new cast member

Image source, Hartswood Films/成人快手

Image caption, Cumberbatch is currently filming the fourth series of Sherlock

Sherlock star Benedict Cumberbatch has been photographed consulting a canine companion in the first photo released from the 成人快手 drama's new series.

The first-look image comes hot on the tail of the 39-year-old star being nominated for an Emmy award for Sherlock's Abominable Bride special.

Cumberbatch is currently shooting the fourth series of the 成人快手's updated take on Sir Arthur Conan Doyle's detective.

Earlier this week he and co-star Martin Freeman were seen .

It was announced in May Harry Potter actor Toby Jones would play a villain in the second episode of the new three-part series.

In the Sherlock Holmes books by Sir Arthur, a dog called Toby accompanies the sleuth in some of the stories.

Sherlock is due back on screens in the new year.

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