Despite their shared surname and common association with Doctor Who, she is not related to the actor who played the Second Doctor, Patrick Troughton.
One of his early television appearances was the 1968 Doctor Who serial The Wheel in Space with Patrick Troughton as the Doctor.
Patrick Troughton played Arthur, the apparent leader of the English resistance, and Julian Fellowes played Mordrin's ambitious and ruthless second-in-command, Brother Hugo.
In 1964, the BBC filmed a 6-episode TV adaptation under the title Smuggler's Bay, starring future Doctor Who stars Frazer Hines and Patrick Troughton as John Trenchard and Ratsey, respectively.
Troughton's grandfather Patrick Troughton starred in the first Robin Hood television series in 1953.
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He is also one of only three directors (the others being Douglas Camfield and Lennie Mayne) who directed all of the first four actors to play the Doctor, William Hartnell, Patrick Troughton, Jon Pertwee and Tom Baker.
He played the Security Chief in the 1969 Patrick Troughton story The War Games, Nefred in the 1980 Tom Baker story Full Circle and Keeper of the Matrix in the 1986 Colin Baker story The Ultimate Foe.
Previously Martin appeared in the show itself as a Time Lord in the 1969 serial The War Games opposite Second Doctor Patrick Troughton and later guested in the 1993 Doctor Who radio play The Paradise of Death alongside Third Doctor Jon Pertwee and the 2003 Doctor Who audio drama Flip-Flop alongside Seventh Doctor Sylvester McCoy.
He appeared in The Faceless Ones, a Doctor Who serial broadcast from April to May 1967 starring Patrick Troughton in which he played the character called 'Spencer' an airline pilot at Gatwick Airport where his identity was taken over by a chameleon.