David Tennant is joined by Lindsay Duncan and Peter O'Brien in the second special episode of 2009
Mars, 2059. Bowie Base One. Last recorded message: "Don't drink the water. Don't even touch it. Not one drop."Doctor Who will return to BBC One on Sunday 15 November for The Waters of Mars - the second of four specials airing throughout 2009.
Starring David Tennant as The Doctor and guest starring acclaimed British actress Lindsay Duncan – best known for her roles across stage and screen (Margaret, Lost in Austen) – The Waters Of Mars is set to be one of the most terrifying episodes of the series to date.
Lindsay Duncan stars as Adelaide – the Doctor's cleverest and most strong-minded companion yet.
She and The Doctor face terror on the Red Planet as they battle against a mysterious alien living within the terrarium of life on Mars' surface which infects its victims using a water compound it creates.
Neighbours, Flying Doctors and Casualty star Peter O'Brien also guest stars as Ed, Adelaide's second-in-command at the base.
The Waters Of Mars is written by Russell T Davies and Phil Ford and is directed by Graeme Harper. The producer is Nikki Wilson. Doctor Who: The Waters Of Mars, Sunday 15 November 2009, 7.00pm, BBC One.