Whose Line is it Anyway? actor Michael McShane has been tweeting to all and sundry about his recent time on set for Series 7 of Doctor Who.

The American actor – whose credits include Robin Hood: Prince of Thieves and various, movie, video game and cartoon roles – will be playing a villain in episode five. Pictures taken over the weekend suggest he’ll be playing some sort of pinstriped kingpin. McShanefirst announced his involvement via Twitter earlier this month and has since added:

[blackbirdpie url="https://twitter.com/#!/thismikemcshane/status/187739403911823360"]

Before passing on his  love for the Doctor Who cast and crew:

[blackbirdpie url="http://twitter.com/thismikemcshane/statuses/193584272693657600"]

…and more recently

[blackbirdpie url="https://twitter.com/#!/thismikemcshane/status/194685220774092800"]

In other casting news it has been confirmed via her CV that Holby City actress Riann Steele will be playing Egyptian Queen Nefertiti – a religious revolutionary who is believed to have briefly reigned before the ascension of Tutankhamun and whose name translates as ‘the beautiful one has come’. She will appear in episode two and can be briefly seen in the trailer.