Diana Rigg to appear in Doctor Who Series 7
The BBC have confirmed that Diana Rigg will be appearing in Doctor Who Series 7. She will also be appearing with her daughter Rachel Stirling in a episode that is written by Mark Gatiss. Dame Diana Rigg is obviously famous for her appearance as Emma Peel in the Avengers and in the James Bond film On Her Majesty’s Secret Service. Meanwhile her daughter Rachel Stirling has appeared in the BBC TV Series Tipping the Velvet and the recent film Snow White and the Huntsman.
Mother and daughter Dame Diana Rigg and Rachael Stirling will star in the new series of
#DoctorWho! Steven Moffat said ‘Dame Diana Rigg, Rachael Stirling and a Mark Gatiss script – a combination of talents you could only get in Doctor Who!’ Rachael Stirling said, ‘Mark Gatiss has written a gift of a script and an on-screen relationship between Ma and I that is truly delicious.’
The Official Doctor Who website and the Doctor Who News website has more details and quotes.

Fantastic! I absolutely love Dame Diana Rigg. The wait is killing me, I want Series 7 now!
Sadly the Diana Rigg episode is most likely in the Jenna-Louise Coleman batch. Which means that unfortunately you’ll have to wait until 2013 for it to air.
Reblogged this on Musings of an Anglophile.