With WOTAN's plans for world conquest about to reach fruition, the Doctor comes face-to-face with the unstoppable might of the War Machines.

5: Dr Who's Granddaughter Susan , last seen abandoned in a rubble-strewn London of the future.

Composer Murray Gold discusses his music for Doctor Who, to be performed in two BBC Proms concerts this weekend. He also explains his aims when writing for such a much-loved series, and how advances in technology have affected his work.

Richard Crosby Pearce voiced Jeremy Fitzoliver in The Paradise of Death and The Ghosts of N-Space.

Barry Howard was an English actor who was best known for his role as Barry Stuart-Hargreaves in the long-running BBC sitcom Hi-de-Hi!. 

Howard appeared in  Doctor Who in the 2009 two-part Christmas special The End of Time, as driver of the mini-bus containing the old age pensioners' group seeking the Doctor.

Howard appeared in Terry and June, You Rang, M'Lord?, The House of Windsor and Dad, in addition to Hi-de-Hi!.

In 2004, Barry played the character of Geoffrey in the short film Open Casket. In November 2009 he appeared in an episode of the BBC comedy Beautiful People.

He died in his hometown of Poole after battling from blood cancer.

Richard Wilson is a Scottish actor, theatre director and broadcaster, best known for playing Victor Meldrew in the popular BBCsitcom One Foot in the Grave.

He appeared in Doctor Who as Dr Constantine in 2005 stories The Empty Child and The Doctor Dances

Wilson, who was born in Greenock, Scotland, has worked for the gay rights campaign group Stonewall and the Labour Party. He is one of the Patrons for Scottish Youth Theatre, Scotland's National Theatre "for and by" young people. Wilson is also a long-time supporter of the Sense charity and in 2007 hosted the Annual Sense Awards, honouring excellence in both deafblind people and those who work with them. He is also one of the Honorary Patrons of the London children's charity, Scene & Heard.

Peter Day was the visual effects designer on many Doctor Who stories, from The Evil of the Daleks to The Sunmakers.

Also worked on Running Blind, Wings, The Goodies, Survivors, Goodies Rule - O.K.?, Dad's Army, Some Mothers Do 'Ave 'Em, The Stone Tape, Out of the Unknown, Doomwatch, Thursday Theatre, Play for Today, Dad's Army, Quatermass and the Pit

William Hughes played the Master at a young age in the 2007 story The Sound of Drums and Last of the Time Lords (footage of this performance was later included in DW: The End of Time). 

He also played Alex Grainger in Torchwood: Sleeper.

Peter Tuddenham was a British actor, best known for providing the voices of Zen, Orac and Slave, computers on the science fiction TV show Blake's 7.

He provided voices for the Doctor Who stories The Ark in Space, The Masque of Mandragora and Time and the Rani. Later he returned to tape the audio drama spin-offs Occam's Razorand Death's Head. 

Tuddenham began his career in weekly repertory and entertained troops during the Second World War as a member of the Army's "Stars in Battledress". 

On radio, he acted in the long-running series Mrs Dale's Diary and Waggoner's Walk.

Tuddenham also starred in the TV sitcom Backs to the Land and later made numerous other occasional or one-off appearances in shows such as Only Fools and Horses, One Foot in the Grave, The Onedin Line, Quiller, Bergerac, Tales of the Unexpected and The Bill.

Gerald Campion  was an English actor best known for his role as Billy Bunter in a 1950s television adaptation of books by Frank Richards.

 In 1979 he recorded an appearance in Shada, a Doctor Who story which was recorded in part but never broadcast.

Campion appeared in numerous films and television programmes mostly comedies. In 1937 he appeared in Tavs Neiiendam's radio play "Inspiration to a Poet" on the BBC Home Service.

His only major success was as Bunter, a juvenile role he played successfully despite being much older than his character.