Behind the scenes on the Doctor Who Christmas special

David Tennant looks in relaxed mood on set in Cardiff
David Tennant looks in relaxed mood on set in Cardiff (Image credit: BBC)

doctor who christmas special, the next doctor

David Tennant looks in relaxed mood on set in Cardiff (Image credit: BBC)

David Tennant looks in relaxed mood on set in Cardiff

The machines blow fake snow in a burial scene

The machines blow fake snow in a burial scene (Image credit: BBC)

The machines blow fake snow in a burial scene

Who is the lady in maroon?

Who is the lady in maroon? (Image credit: BBC)

Who is the lady in maroon?

It's Dervla Kirwan, who plays Miss Hartigan, and seems very relaxed around the frightening Cybermen

It's Dervla Kirwan, who plays Miss Hartigan, and seems very relaxed around the frightening Cybermen (Image credit: BBC)

It's Dervla Kirwan, who plays Miss Hartigan, and seems very relaxed around the frightening Cybermen

Cue... Action!

Cue... Action! (Image credit: BBC)

Cue... Action!

The episode's called The Next Doctor.... But who is this ally of The Doctor?

The episode's called The Next Doctor.... But who is this ally of The Doctor? (Image credit: BBC)

The episode's called The Next Doctor.... But who is this ally of The Doctor?

It's David Tennant's former Blackpool co-star David Morrissey

It's David Tennant's former Blackpool co-star David Morrissey (Image credit: BBC)

It's David Tennant's former Blackpool co-star David Morrissey

The set designers transform Cardiff into London, circa 1851

The set designers transform Cardiff into London, circa 1851 (Image credit: BBC)

The set designers transform Cardiff into London, circa 1851

There's a lot of standing around between takes

There's a lot of standing around between takes (Image credit: BBC)

There's a lot of standing around between takes

The actors take their marks

The actors take their marks (Image credit: BBC)

The actors take their marks

But they're quickly in character when they're called on. Watch The Next Doctor on BBC One on Christmas Day

But they're quickly in character when they're called on. Watch The Next Doctor on BBC One on Christmas Day (Image credit: BBC)

But they're quickly in character when they're called on. Watch The Next Doctor on BBC One on Christmas Day

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