Inside the pyramid on Mars, the Doctor and Sarah must solve puzzles and escape traps to prevent Sutekh's release from his imprisonment – but are they too late?

Jonny Lee Miller was born  in Kingston, England, UK.

He is the grandson of actor Bernard Lee and the son of Doctor Who production Assistant Alan Miller

His very first popular film was Hackers (1995), alongside Angelina Jolie and Matthew Lillard. He was the only non-Scottish cast member of Trainspotting

Miller starred as the titular character in the ABC comedy-drama Eli Stone. This was followed by another starring role in the BBC costume drama Emma and a supporting role as Jordan Chase in the fifth season of the Showtime drama Dexter.

He currently stars as Sherlock Holmes in the CBS crime drama Elementary.

He has a partnership in the production company, Natural Nylon, which also includes Ewan McGregor and Jude Law.

Danny Sapani played Colonel Manton in the Doctor Who story A Good Man Goes to War.

Other works include Trance, Blackout, Hard Boiled Sweets, The Fear, Misfits, The Jury II, Casualty, Shirley, Mercenaries, Documental, Garrow's Law, The Last Jazz Musician, Perfect, Bucco Blanco, Place of Execution, The Bill, The Oxford Murders, Holby Blue, Blue Murder, Little Britain, Holby City, Ultimate Force, In Deep, Serious and Organised, Song for a Raggy Boy, Anansi, Pissboy, Judge John Deed, Hotel, Tip of My Tongue, Fish, Trial & Retribution, Richard II, Between the Lines

Born in Hamilton, Scotland, William Collins was brought up in Fife, attending Leven's Parkhill Primary school and Kirkland High school, before doing a City&Guilds course on mechanics whilst under apprenticeship at Harris Garage  in Leven. He also joined a local acting group and then went on to study acting at Mountview Theatre School between 1973 and 1976. Becoming a professional actor he took on the name Billy McColl as there was already an Equity member with his own name.

His first major role came in theatre playing Phil McCann in John Byrne's The Slab Boys in its original run at Edinburgh's Traverse Theatre; he continued the role at other venues including the Edinburgh Festival and London's Royal Court, the latter of which led to a Olivier Award nomination for Most Promising Newcomer of the Year in Theatre. Byrne himself described him as the best actor of his generation.

Though his film and television career encompassed a wide range of drama, including Doctor Who of course, he also appeared in a lot of Scottish-based drama such as Taggart, Rebus, Hamish McBeth, Rab C Nesbitt, Jute City, and also in the film Soft Top Hard Shoulder, written by and starring Peter Capaldi. He also presented a one-man show on stage, Creative Fire, about Robert Burns.

Outside of acting, he was an expert gardener, setting up Billy Collins Gardening in the early 2000s. He also enjoyed sculpting.

He died on the 1st January 2014, with his funeral taking place on the 18th. He is survived by his daughter Maud.

Biography based upon details provided by his obituary in The Scotsman.

Ellis Jones is a British director and actor from Petersfield.. He became known for his role as a young apprentice named 'Hal Adden', in the 1970s children's comedy series Pardon My Genie

He went on to appear in many other television productions, such as "The Squirrels", "1914 All Out". "King Lear" and "Measure for Measure"  In recent years he has worked extensively in the field of actor training, and as a theatre director and producer.

Jones  was awarded an Arts Council director's bursary in 1984. In 1993 he joined the Royal Academy of Dramatic Art as Head of Acting, becoming the Academy's Vice-Principal in 1998, and Creative Director of RADA Enterprises in 2005.

Donald Pickering was an English actor.

Pickering had appeared in many television, film and radio roles. His television appearances include several roles in Doctor Who, The Pallisers, The House of Eliott, Watson in the 1980 series Sherlock Holmes and Doctor Watson, Yes, Prime Minister, Brittas Empire and Executive Stress.

He is best known to Doctor Who fans for his three appearances in the Classic series. He fist played the role of Eyesen in the 1964 story The Keys of Marinus alongside William Hartnell. Eyesen was the Court Prosecutor, who has succeeded in persuading the Three Judges of Millennium to find Ian guilty of murder.

Pickering returned to the series in 1967, this time with Patrick Troughton, playing Captain Blade in The Faceless Ones. Blade was an airplane pilot at Gatwick Airport whose identity was taken over by a Chameleon.

His final appearance in the series was twenty years later in Sylvester McCoy's first story, Time and the Rani. In this story he played Beyus, the leader of the Lakertyan race, who was forced to serve the Rani alongside his daughter.

Actor who appeared in many British Dramas including early episodes of Doctor Who

Geoffrey Toone was an Irish character actor based in the United Kingdom.

He played Hepesh in the 1972 story The Curse of Peladon. 

He played Temmosus in the film of Dr. Who and the Daleks (1965) 

Most of Toone's film roles after the 1930s were in supporting parts, usually as authority figures, though he did play the lead character in the Hammer Films production The Terror of the Tongs in 1961

Toone was born in Dublin, Ireland to Englishparents and was educated at Charterhouse School.

He died from natural causes, aged 94. At the time of his death, Toone was one of the last survivors of the Old Vic theatre company of the 1930s, having appeared alongside the likes ofJohn Gielgud and Laurence Olivier in productions of Shakespeare.

Francis Chagrin was a composer of film scores and popular orchestral music, as well as a conductor.

He was born in Bucharest, Romania, to Jewish parents and at their insistence studied for an engineering degree in Zurich while secretly studying at that city's music conservatoire. He graduated in 1928 but when his family failed to support his musical ambitions, left home and moved to Paris where he adopted his new, French-sounding name.

By playing in night clubs and cafes and writing popular songs, he funded himself though two years, from 1933, at the Ecole Normale, where his teachers included Paul Dukas and Nadia Boulanger, and settled in England in 1936.

At the outbreak of World War II, he was appointed musical adviser and composer-in-chief to the BBC French Service, and the programme, Les Francais parlent aux Francais. For this, he was decorated Officier d'Academie by the French government in 1948.

In 1951 he formed his own chamber ensemble. He composed the score for the 1955 film about Colditz, The Colditz Story. His harmonica work Romanian Fantasy was composed in 1956 for Larry Adler.

In 1959 he composed the theme and incidental music for the Sapphire Films TV series The Four Just Men for ITV.

In 1963, he won the Harriet Cohen International Music Award as "film composer of the year". The following year, he composed music for the 1965 Doctor Who television story The Dalek Invasion of Earth.

His son Nicolas was an actor, who was to appear in Vengeance on Varos some years later.

As well as Destiny of the Daleks for the BBC, he also directed an episode of The Omega Man and a Play for Today, Return Fare. During the 1980s and 90s he worked on included an early episode for Jeremy Brett's outing as Sherlock Holmes, The Norwood Builder, the series Game Set and Match, several episodes of Bugs, Cadfael and Peak Practice, and in the 2000s shows such as The Bill, Casualty and Law and Order: UK.

He also made a number of independent documentaries.

As well as directing he taught at the National Film School and the Manchester Film School.

He moved back to Edinburgh in later life, living In Marchmont, and had been diagnosed with cancer in recent years. He died peacefully on the 15th November 2016, and is survived by his partner Jane, four children and three grandchildren.

Elaine Ives-Cameron  played Martha in the 1978 story The Stones of Blood.

Other work includes Dead Babies, The Bill, Revenge of Billy the Kid, Selling Hitler, Screen Two, London Embassy, Agatha Christie's Miss Marple: A Murder Is Announced, Dempsey and Makepeace, Supergirl, The Sender, Ragtime, Phoelix, Tales of the Unexpected, Murder by Decree, Terror, The Message, Al-risâlah, Blue Blood, The Night Digger, Codename, Illegal Abortion