In London in 1966, the Doctor and Dodo visit the new Post Office Tower and are introduced to the super computer, WOTAN.

Sheridan Smith, OBE is an English actress, singer and dancer. Smith came to prominence on television for her roles in comedy shows Two Pints of Lager and a Packet of Crisps, Love Soup, Gavin & Stacey, Grownups and Benidorm before starring in television dramas like Mrs Biggs, for which she won the BAFTA TV Award for Best Actress for playing Ronnie Biggs' wife, The 7.39 and Cilla, where she played Cilla Black. Her film credits include Tower Block, Quartet, Powder Room and The Harry Hill Movie.

Smith made her West End debut in a National Youth Music Theatre production of Bugsy Malone and has performed in musicals Into the Woods, Little Shop of Horrors, Legally Blonde and Funny Girl. She won two Laurence Olivier Awards in consecutive years, for Best Actress in a Musical as Elle Woods in Legally Blonde in 2011 and Best Performance in a Supporting Role as Doris in a revival of the play Flare Path in 2012.

Smith was appointed Officer of the Order of the British Empire (OBE) in the 2015 New Year Honours for services to drama.

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Sunetra Sarker is an English actress.

Sarker has a degree in Information Systems for Business with French from Brunel University.

She has played a wide variety of roles in her career. Her initial success came when she was cast as Nisha Batra in the Channel 4 soap opera Brookside from 1988 to 1990 and then returned in 2000 until 2003.

She also starred in the short-lived regional soap London Bridge. This was followed by one of her biggest roles as Anji Mittel in No Angels from 2004 to 2006.

Her next large role was playing the part of Clare Burns in the BBC drama The Chase until the show was pulled after its second series. She can currently be seen in a major role on one of the BBC's longest running series Casualty as Dr Zoe Hanna.

In 2007 she was a contestant on the celebrity version of popular cooking show MasterChef. In 2008, Sarker provided the voiceover for the new Liverpool One shopping centre advertisements.

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After training at the Redroofs Theatre School in Maidenhead, Lucy Benjamin's first acting role was as the young Nyssa in Mawdryn Undead. She later starred in the ITV children's series Press Gang, which was co-created by Steven Moffat. She is best known as Lisa Fowler in the BBC soap opera EastEnders, which was created by Julia Smith and Tony Holland.

Phill Jupitus  is an English stand-up and improvised comedian, actor, performance poet, cartoonist, and podcaster.

Jupitus has been a team captain on BBC Two's popular music quiz Never Mind the Buzzcocks since its inception in 1996 and also appears regularly as a guest on several other panel shows, including QI and BBC Radio 4's I'm Sorry I Haven't a Clue.

Michael McShane is an American actor, singer, and improvisational comedian. He is best known through his appearances in the early 1990s on the British version of the television show Whose Line Is It Anyway?. He is also best known for voicing Marlon, Caracticus P. Doom and various other characters in Cosgrove Hall's Avenger Penguins.

Born in Roeland Park, Kansas, McShane had performed on stage, on television, and in film, and was an alumnus of Los Angeles Theatresports. One of his larger TV roles was as Kramer's nemesis Franklin Delano Romanowski (FDR) on Seinfeld. He also had a cameo role as a doomed hypnotherapist in the film Office Space and played the friendly scientist, Professor Keenbean, in the 1994 movie Ri¢hie Ri¢h.

In 1995, McShane starred as Harley in the BBC Screen Two TV Movie Crazy For A Kiss, about a young boy who is sent to a mental institution for teenagers in Kansas. Touted as being somewhat biographical of McShane's childhood, the film has never been released on video or DVD. McShane appeared in Tom and Huck as Muff Potter and on Brotherly Love as the experienced but wisecracking mechanic, Lloyd.

He provided the voice for Cid in the video games Final Fantasy X and Final Fantasy X-2, and played Friar Tuck in the 1991 film Robin Hood: Prince of Thieves. He appeared in Tower of Terror, a TV movie based on the Disney attraction as "Q" along with Steve Guttenberg and Kirsten Dunst. He had also appeared with Tony Slattery in the comedy sketch show S&M, starred in the sitcom The Big One, and provided voice work in the anime Vampire Hunter D: Bloodlust, as D's sarcastic possessed left hand. He also provided the voice of Detective Twitch in the HBO animated series Spawn. Other voice work by McShane includes the characters of Tuck and Roll, the twin pill bugs in A Bug's Life and the video game of the same name in 1998,he also provided the voice of Shalulu in Disney's redub of Castle in the Sky. He also portrayed Baron Rakan Harkonnen in the 2001 strategy game Emperor: Battle for Dune.

He also voiced Rabbit's dastardly neighbour Wolf in Granada's Don't Eat the Neighbours, Thunderpig, several characters in Clerks: The Animated Series, Hands in the Disney film Treasure Planet, a Mountain Man in King of the Hill, Quozmir in Dave the Barbarian and Rumpelstiltskin in Happily N'Ever After.

He also narrated several episodes of Animated Tales of the World. In 2003, McShane underwent gastric bypass surgery, losing a significant amount of weight. In 2005 he made an appearance as Dr. Phelps in Malcolm in the Middle. In 2006 he was in a production of Talk Radio directed by Stewart Lee, with Stephen K. Amos, Phil Nichol. It was the first dramatic production in the Udderbelly, a performing space housed in a giant, inverted purple cow.

McShane appeared as the voice of Audrey II (as well as playing a number of peripheral characters) in the London revival of Little Shop of Horrors at the Menier Chocolate Factory in Southwark between December 2006 and February 2007. The show was a critical success and was sold out for the duration of its run, and Mike had been contracted to continue in the role following the show's transfer to the West End at the Duke of York theatre. In September 2007 he took part in the British Library's celebration of Jack Kerouac, reading excerpts from On The Road on the 50th Anniversary of its publication.

In 2008, McShane appeared as a guest performer in Paul Merton's Impro Chums, a live improv show, and as Dr. Vaabit in episode 5 of BBC's Sitcom Lab Rats, and appeared on the BBC radio programme Just a Minute.

_{Biography from the Wikipedia article, licensed under CC-BY-SA}

Nitza Saul is an Israeli-born actress, best known for her appearances on British television during the 1980s.

In the 1970s Saul starred in several popular Israeli films, most notably Givat Halfon Eina Ona (Halfon Hill does not Answer), Hashoter Azulai (Officer Azulai) and Hagiga Basnooker (Party at the Snooker Hall).

In 1979 Saul became the first Israeli woman pose for Playboy magazine in the May issue of that year.

After moving to London, she starred in the thriller mini-series Kessler and appeared in the Doctor Who serial "Warriors of the Deep". She also appeared in C.A.T.S. Eyes, Star Cops and EastEnders.

She subsequently returned to Israel, where she resumed her acting career, appearing on television in soap operas such as Ramat Aviv Gimmel and Florentin. In 2001 she created, wrote and edited a children's play called Sound of Magic which she continues to perform.

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Roger Murray-Leach is a British Production Designer, who is probably best known for his work on British television series' Doctor Who and Blake's 7 in the 1970s, although he went on later to work on major feature films.

He trained as an architect and joined the BBC design department in the 1970s, quickly gaining a reputation for great imagination and flair. He began working on Doctor Who when Philip Hinchcliffe took over as producer in late 1974. Hinchcliffe's vision for the series included giving a high priority to set design and he quickly realised that Murray-Leach was one of the most, if not the most, imaginative and resourceful designers on the BBC staff. Murray-Leach designed several Doctor Who serials under Hinchcliffe's reign, many of which remain amongst the most popular serials in the show's history. For the serial Planet of Evil, Murray-Leach designed an alien jungle at Ealing studios that so impressed Hinchcliffe that he wrote to the Head of the BBC design department, suggesting that Murray-Leach should be nominated for a BAFTA or a Royal Television Society Award.

David Maloney, a director who had worked on a number of the Doctor Who serials designed by Murray-Leach, went on to produce Blake's 7 for the BBC and immediately secured the services of Murray-Leach to design the interior of the Liberator spacecraft.

Murray-Leach was eventually nominated for a BAFTA award for his design work on the 1981 series Winston Churchill: The Wilderness Years. His talent was finally being recognised and he broke into feature films, working as production designer on Local Hero, Clockwise and A Fish Called Wanda. His movie career extended into the 1990s with The Mighty Quinn, Twenty-One and Fierce Creatures.

In recent years he has appeared in a number of television and DVD documentaries discussing his work on Doctor Who, including A Darker Side, a retrospective feature included in the 2|entertain/BBC DVD release of Planet of Evil, in which he and Hinchcliffe returned to Ealing studios to discuss the story's design and production.

He lives in Wiltshire, England.

Biography from the Wikipedia article, licensed under CC-BY-SA

Roy Marsden  is an English actor, born in Stepney, London, best known for his portrayal of Adam Dalgliesh in the Anglia Television dramatisations of P. D. James's detective novels.

Marsden attended the Royal Academy of Dramatic Art (RADA). In the early 1960s, he worked with the Royal Shakespeare Company and began to accumulate an extensive list of theatrical credits that include everything from Anton Chekhov and Henrik Ibsen to contemporary Soviet playwright Alexander Vampilov. His preference was for the alternative experimental theatres of Glasgow, Edinburgh, Cambridge and Birmingham over London's commercial theatre.

Appearances include Crispen in The Friends, 1970; Casca and Lucilius in Julius Caesar, 1972; Paul Schippel in Schippel, 1974; Heinrich Krey in The Plumber's Progress, 1975. He also played Long John Silver in Treasure Island at London's Mermaid Theatre around Christmas for two years and Henry Higgins in Pygmalion at the Albery Theatre. In 2008, Marsden appeared in two productions, Murder on Air and Happy Jack at the Theatre Royal Windsor.

Marsden's portrayal of Adam Dalgliesh in Anglia TV's P. D. James series spanned fifteen years. The series began as adaptations played out in serials of five or six one-hour episodes each, which were, unusually for the time, recorded on outside broadcast videotape as opposed to film:

Marsden also starred in Yorkshire Television's 1978–1980 Cold War espionage series The Sandbaggers. He played Neil Burnside, the dour and fiercely protective head of the covert operations section of British Intelligence, whose character seemed to spend as much time on infighting within Whitehall and his own department as it did in battling the KGB. The show ran for three series and 20 episodes before the untimely disappearance of the show's creator and writer Ian Mackintosh in 1979.

In 1982, Yorkshire Television cast him in Airline, a series in which he played Jack Ruskin, a scrappy World War II pilot trying to start his own post-war airline against establishment opposition. It also starred his wife, Polly Hemingway, who was pregnant with their first child during most of the filming.

Other prominent television roles include George Osborne in a 1967 adaptation of Vanity Fair and the title role of Arthur Chipping in 1987's Goodbye Mr. Chips.

Marsden has also made guest appearances in The New Avengers, Space: 1999, Only Fools and Horses ("Little Problems"), Foyle's War, and Tales of the Unexpected. In 2007, Marsden presented a nine part crime documentary series Roy Marsden's Casebook for ITV West. He also appeared in the opening episode of the 2007 series of Doctor Who as Mr Stoker, a medical consultant.

In 2008, he appeared in ITV series The Palace as King Richard's Private Secretary Sir Iain Ratalick. In 2009 Marsden reprised his Only Fools and Horses role as one of the Driscoll brothers in the spin off series of The Green Green Grass. He also appeared in the television film Margaret (2009).

He has appeared in: The Squeeze, Warner Bros. (1976), a walk-on part with one line (as a Nazi officer) in the classic The Eagle Has Landed (1976), and as Oberon in Dungeons & Dragons: Wrath of the Dragon God (2005).

Roger Brierley  was a British chartered accountant-cum-actor.

He appeared in many television productions over a forty year period. He twice appeared in Doctor Who, as Trevor in The Daleks' Master Plan (1965) and as the voice of Drathro in The Mysterious Planet (1986). 

Brierley appeared in the biopic Jinnah based on the life of Muhammad Ali Jinnah, and in the Granada television series Jeeves and Wooster as Sir Roderick Glossop. He was also in an Only Fools and Horses episode. Later work included portraying John Biffen in the TV dramatisation of The Alan Clark Diaries (2004). He also played the hotel managerin "Mr. Bean in Room 426".

Rhoda Lewis  played Marta in the 1980 story State of Decay.

Also worked on Hustle, Casualty, Doctors, Life Begins, The Secret World of Michael Fry, Sunburn, Dalziel and Pascoe, Rhinoceros, Network First: Victoria and Albert, August, A Relative Stranger, The Sherman Plays, Joking Apart, The Mirror Crack'd, May to December, EastEnders, The Dark Angel, Singles, The Bretts, The District Nurse, 4.50 from Paddington, Langley Bottom, The Thirteenth Day of Christmas, Summer Season , Agatha Christie's Miss Marple: A Pocket Full of Rye, Love Song, The Magnificent Evans, That's My Boy, Master of the Game, Never the Twain, R.H.I.N.O.; Really Here in Name Only, Death of an Expert Witness, The Last Song, Dombey & Son, Number 10, Play for Today, All for Love, Maybury, Taff Acre, Pinocchio, Kilvert's Diary, Wings, Lorna Doone, Beryl's Lot, The Nearly Man, Edward the Seventh, Sadie, It's Cold Outside, Rooms, Softly Softly: Task Force, Childhood, Sporting Scenes, The Perils of Pendragon, Possessions, Then and Now, Late Night Theatre, The New Word, Thriller, Justice, Crown Court, Adam Smith, The Onedin Line, Under Milk Wood, The Offence, Armchair Theatre, Doomwatch, Man at the Top, Conceptions of Murder, Confession, The Troubleshooters, Callan, Z Cars, A Handful of Thieves, Coronation Street, The Wednesday Play, The War of Darkie Pilbeam, Public Eye, Theatre 625, Half Hour Story, Softly Softly, Mr. Aitch, Emergency-Ward 10, R3, Espionage, ITV Play of the Week, The Avengers, Suspense

George Murdock has appeared in many television series, quite often as a judge. As well as Torchwood, other sci-fi shows include The X Files and Battlestar Galactica, 

Arguably his most famous role is that of "God" in Star Trek V - The Final Frontier.

Moray Watson (born in Sunningdale, Berkshire) is an English actor.

He appeared as Sir Robert Muir in the 1982 Doctor Who story Black Orchid;

Watson's father was killed in Belgium in World War II. He was educated at Eton College and made his first appearance on stage whilst still a student at the Webber Douglas Academy of Dramatic Art at a matinee performance in memory of Ellen Terry at Hythe, Kent. After appearances in repertory, he appeared on the West End stage, including The Doctor's Dilemma and inThe Rivals by Sheridan both at the Haymarket Theatre.

In 1963, he went to New York City to appear in The Private Ear and The Public Eye.

He played the part of the Art Editor in the BBC series Compact for some years.

He appeared in several films, including Operation Crossbow and The Grass Is Greener, in which he played opposite Robert Mitchum and Cary Grant.

He has a series of television credits to his name, most notably as Brigadier Arthur Maiford, M.C. (ret.) (but always known to the Larkins as "The General") in The Darling Buds of May (1991�1993); and George Frobisher in Rumpole of the Bailey (1978�1992).

He had a small role in Yes Minister. He also appeared in the 1974 version of The Pallisers as Barrington Erle and in the Albert Campion mystery The Death of a Late Pig as the Chief Constable. He also played a Chief constable in the 1977 BBC series Murder Most English and Mr Bennet in the 1980 BBC series Pride and Prejudice.