* Played by Patrick Troughton in Edward & Mrs. Simpson.

David Dickinson, John Prescott, Robin Cook, Gandalf, David Cameron, Magneto and Ian McKellen, Professor Robert Winston, Dr Rowan Williams, David Blunkett, Tom Paulin, Saddam Hussein, Peter Mandelson, Graham Norton, Martin Jarvis, Trevor McDonald ( on radio ), Bob Geldof, Ken Livingstone, Brian Blessed, Luciano Pavarotti, Monty Don, Richard Briers, Patrick Stewart, Laurence Llewelyn-Bowen, Toby Ziegler, Donald Rumsfeld, Adam Hart-Davis, Hannibal Lecter ( on radio ), Lord Voldemort ( on radio ), Hercule Poirot, Second Doctor & Patrick Troughton, Bernard Matthews, Rocky Balboa, Al Gore, George Lamb

Many soon-to-be-famous faces pop up, including: Lionel Jeffries (" Murder Ahoy " and " Chitty Chitty Bang Bang ", Leslie Philips, Jane Asher, Anne Reid ( Coronation Street and Dinnerladies ), Edward Mulhare ( The Ghost & Mrs. Muir and Knight Rider ), Patrick Troughton ( the Second Doctor ), Irene Handl, Desmond Llewelyn ( Q in the Bond films ), Sam Kydd, Sid James, Joan Sims and Bernard Bresslaw ( Carry On films ), Leo McKern ( Rumpole of the Bailey ), Alfie Bass ( The Army Game ), Sylvia Kay ( Just Good Friends ), Harry H. Corbett and Wilfrid Brambell ( Steptoe and Son ), Barbara Mullen ( Dr Finlay's Casebook ), Richard O ' Sullivan ( Man About the House ), Geoffrey Bayldon ( Catweazle ), Billie Whitelaw, Ronald Allen, Gordon Jackson.

* Troughton & Simms, company founded by Edward Troughton

* Cooke, Troughton & Simms, the same company post-merger

In 1826, after John's death and in failing health himself, he took on William Simms as a partner and the firm became known as Troughton & Simms.

He became a correspondent of Thomas Jones, who brought him into contact with the instrument maker Edward Troughton and also persuaded him to join the Royal Society for the encouragement of Arts, Manufactures & Commerce.

He succeeded his father William Simms ( 1793 – 1860 ) at the instrument making firm Troughton & Simms.

The firm amalgamated with Troughton & Simms ( London ) to become Cooke, Troughton & Simms in 1922 and this later became part of Vickers, but still run by his sons Thomas & Frederick.

In 1922 it merged with Troughton & Simms to form Cooke, Troughton & Simms.

* Merger with Troughton & Simms: Obs 45 ( 1922 ) 403

Troughton & Simms, Whitehurst & Son sundial ( 1812 ) | sundial at St Michael's Mount

1850s 24-inch brass ruler engraved: " Troughton & Simms, London ".

It became a limited company in 1915 and in 1922 it merged with T. Cooke & Sons to form Cooke, Troughton & Simms.

Cooke, Troughton & Simms Theodolite

Cooke, Troughton & Simms was a British instrument-making firm formed in 1922 by the merger of T. Cooke & Sons and Troughton & Simms.

In this version Radius was played by Patrick Troughton who was later the second actor to play The Doctor in Doctor Who, None of these three productions survive in the BBC's archives.

The new instrument was constructed by Edward Troughton but Maskelyne did not live to see it completed.

In 1969, Pertwee was selected by producer Peter Bryant to take over as the Doctor from Patrick Troughton in the television series Doctor Who.

Patrick George Troughton ( 25 March 1920 – 28 March 1987 ) was an English actor most widely known for his roles in fantasy, science fiction and horror films, particularly in his role as the second incarnation of the Doctor in the long-running British science-fiction television series Doctor Who, which he played from 1966 to 1969, reappearing in 1973, 1983 and 1985.

Troughton was born on 25 March 1920 in Mill Hill, Middlesex, England to Alec George Troughton, a solicitor, and Dorothy Evelyn Offord, who married in 1914 in Edmonton, and had an elder brother, Alec Robert ( 1915 – 1994 ), and a younger sister, Mary Edith ( 1923 – 2005 ).

In 1948, Troughton made his cinema debut with small roles in Olivier's Hamlet, the TCF production " Escape " ( one of the stars of which was William Hartnell ), and a minor role as a pirate in Treasure Island appearing only during the attack on the heroes ' hut.

After he was cast, Troughton considered various ways to approach the role, to differentiate his portrayal from Hartnell's amiable-yet-tetchy patriarch.

Troughton was the first Doctor to have his face appear in the opening titles of the show, and one of six Doctor Who actors to play two roles in the same story when he appeared as Salamander in The Enemy Of The World ( the others being William Hartnell in The Chase and The Massacre of St Bartholomew's Eve, Tom Baker in Meglos, Peter Davison in Arc of Infinity, David Tennant in Journey's End, and Matt Smith in " The Rebel Flesh "/" The Almost People ").

Troughton was popular with both the production team and his co-stars.

Patrick Troughton was succeeded in the role by Jon Pertwee.

On Friday, 27 March 1987, two days after his 67th birthday, Troughton was a guest at the Magnum Opus Con II science fiction convention in Columbus, Georgia, USA.

Although he had been warned by his doctors before leaving the UK not to exert himself because of his heart condition, Troughton appeared to be in good spirits and participated vigorously in the day's panels, and was looking forward to a belated birthday celebration, which was planned for the coming Saturday evening, as well as a screening of the Doctor Who story The Dominators, which Troughton had requested personally, on the Saturday afternoon.

Troughton was married three times and he is survived by his second partner Ethel Margaret ' Bunny ' Troughton.

The species was moved in 1928 by Ellis Le Geyt Troughton, who created the genus Planigale for it and the other then-known species, the common planigale ( P. maculata ), and described the narrow-nosed planigale ( P. tenuirostris ).

In the 1970 BBC miniseries The Six Wives of Henry VIII, the role was played by Patrick Troughton.

In honour of Patrick Troughton the Mill Hill theatre was dedicated to the actor and named the Patrick Troughton Theatre in 2007.

There is a longstanding fan myth that the tape of Episode 1 was erased by mistake, having been confused with an episode of the Patrick Troughton serial The Invasion.

* Patrick Troughton does not appear in Episode 4 as he was on holiday when it was being recorded.

** Patrick Troughton, British actor ( d. 1987 )

** Patrick Troughton, British actor ( b. 1920 )

* Alice Troughton, British film and television director, not related to Patrick Troughton

* Edward Troughton ( 1753 — 1835 ), British instrument maker

In June 2004, Alsou performed in the British mystical thriller Spirit Trap with Billie Piper, Luke Mably, Emma Catherwood and Sam Troughton.

Edward Troughton FRS ( October 1753 – 12 June 1835 ) was a British instrument maker who was notable for making telescopes and other astronomical instruments.

The Tomb of the Cybermen is the first serial of fifth season in the British science fiction television series Doctor Who that originally aired in four weekly parts from 2 September to 23 September 1967 and is the earliest serial starring Patrick Troughton as the Second Doctor to exist in its entirety.

David Troughton ( born 9 June 1950 ) is an English actor, known for his Shakespearean roles on the British stage and for his many roles on British television, notably that of Dr Bob Buzzard in A Very Peculiar Practice.

* Cooke, Troughton & Simms, a British instrument-making firm

Finally, it is worth noting that at the time of the movie's announcement in Summer 1983, the British Press carried reports that diminutive actors such as David Jason, Patrick Troughton and Norman Wisdom would be cast alongside Dudley as fellow Elves.