It's big, it's bad and it's British: Doctor Who will be back with the most terrifying, mad, and joyous installment of the cult Sci-Fi series yet
16:23 GMT, 9 July 2012
Familiar faced freaks and strange new beings alike have been spotted roaming around the Welsh countryside this week.
Fear not, we are not under alien attack – it's just the first sightings of what is in store for us when the new series of Doctor Who returns this Autumn to the BBC.
Here are the latest sneaky peeks from the set at Roath Lock Studios in Cardiff where filming is taking place.
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Monsters in Victorian clothing There is only one man to save us now… quick Call the Doctor! Neve McIntosh gets into character as Madam Vastra
Guess who's back: Dan Starkey as Sontaran Commander Strax shooting a scene for the BBC One Sci Fi series
This odd looking egg headed character is The Sontaran Commander Strax and will be seen by viewers in an episode entitled The Crimson Horror which has reportedly been written by Mark Gatiss.
The Commander is played by British actor Dan Starkey, who is just one of the new acting talents to join the cast on this upcoming series of the BBC's best telly export.
Doctor Who executive producer and head writer Steven Moffat has revealed the combination of talents coming together on the new series will make for exciting viewing.
'Frankly, I'm terrified already!' he shrieked.
Petrified already A pensive Matt Smith bites his lip in fear as he watches the new series being filmed
Joining Dan will be a first time ever real life Mother and daughter duo.
Dame Diana Rigg and Rachael Stirling are set to star side by side in an episode airing next year, the first time the pair have worked together on screen.
Character details remain under wraps, but the episode penned by Mark Gatiss will see Dame Diana and Rachael recreate their off-screen relationship on-screen, playing a mother and daughter with a dark secret.
Starring alongside the Doctor, Matt Smith and new companion Jenna-Louise Coleman, the episode will air in 2013 and is directed by Saul Metzstein.
Dame Diana Rigg, who will play a Yorkshire local, and said:'The first time Rachie and I will be working together is on an episode of Doctor Who specially written for us by Mark Gatiss. How lucky is that'
Extra special: First sightings of the newcomer to the series Rachael Sterling who plays Diana Rigg's daughter
Rachael Stirling, on working on Doctor Who, said: 'What joy. I am looking forward to the madness of Doctor Who enormously. Mark Gatiss has written a gift of a script and an on-screen relationship between Ma and I that is truly delicious.
'We have never before worked together because the offers have not been tempting, but when such a funny and original script comes through you know the time has come.'
Steven Moffat, executive producer and head writer on Doctor Who, says: 'Dame Diana Rigg, Rachael Stirling and a Mark Gatiss script – a combination of talents you could only get in Doctor Who.'
The Doctor's new assistant in action: Jenna Louise Coleman as Clara and Caitlin Stewart as Jenny who will be on our screens next year
The drama returns to BBC One this autumn with five standalone epic episodes and the Christmas special, with a further eight episodes next year.
Karen Gillan and Darvill's characters will leave in episode five of the seventh series after an encounter with the Weeping Angels.
Following their departure, Jenna-Louise Coleman will join the cast as the Doctor's new companion, and will arrive in the show in the Christmas special.
There are high hopes for the addition of actress Jenna-Louise Coleman to the cult classic series.
Danny Cohen, the Controller for BBC One, revealed: 'As we approach Doctor Who's 50th anniversary it's great to welcome a new companion to the TARDIS. I feel confident the Doctor will look after her in his own very unique style.'