Question: What British show is the author is Instruments of Darkness most known for as an actor?

Context paragraphs:
Chris Stapp: Chris Stapp (born 28 November 1973) is a New Zealand actor/director/musician best known for his role of stuntman Randy Cambell in "Back Of The Y Masterpiece Television".  He and "Back of the Y" co-star Matt Heath appear in season 6 of "Eating Media Lunch".  In 2005 the pair also hosted a weekly radio show "Thursday Drive" on bFM.  He appeared, again as Randy Cambell, in the first season of the British show "Balls of Steel", and later in the film "The Devil Dared Me To" where Cambell is the central character.

Ídolos (Portuguese TV series): Ídolos is a Portuguese reality television show based on the popular British show Pop Idol.  The show is a contest to determine the best young singer in Portugal.  The first two seasons were hosted by Sílvia Alberto and Pedro Granger.  The show, then went to a sort of hiatus, and, after only a lukewarm reaction by the viewers for season two, the show has officially been replaced by another casting show on its broadcast station, "Família Superstar", which ended in 2008.

British Show Pony Society: The British Show Pony Society (BSPS), formed in the autumn of 1949, is an organisation which oversees affiliated show pony, hunter pony and working hunter pony competitions for children's ponies in the United Kingdom.  The Society offers three scholarships each year to help young riders develop their skills, and a number of recognition awards are also made.  Owners, trainers and riders of ponies entered into BSPS championship shows must all be members of the society before the date of the show in which the pony qualified (though if they have never been BSPS members before, they may become members within seven days of the qualifying show), and all ponies shown at BSPS Championship shows must be registered with the society (though for animals never registered before, registration is allowed to take place within seven days after a pony has qualified at a qualifying show).  Heritage Mountain and Moorland ponies must also be registered with their own breed society.

Gary Russell: Gary Russell (born 18 September 1963 in Maidenhead, Berkshire) is a British freelance writer, producer and former child actor.  As a writer, he is best known for his work in connection with the television series "Doctor Who" and its spin-offs in other media.  As an actor, he is best known for playing Dick Kirrin in the British 1978 television series "The Famous Five".

Instruments of Darkness: Instruments of Darkness is a BBC Books original novel written by Gary Russell and based on the long-running British science fiction television series "Doctor Who".  It features the Sixth Doctor and Mel.

Dancing on Ice (Greece): Dancing on Ice is a Greek reality TV show.  The show features celebrities paired with professionals from the world of figure skating.  The show is based on the British show, "Dancing on Ice".  The show has a schedule similar to the reality TV show "Dancing with the Stars" with performance shows on Sundays nights.  Jenny Balatsinou serves as host while Petros Kostopoulos, Elena Paparizou, and Alexis Kostalas serve on the judging panel.  The show premiered on 6 November 2011.

British Show Racer: The British Show Racer is a breed of fancy pigeon developed over many years of selective breeding.  The British Show Racer along with other varieties of domesticated pigeons are all descendants from the rock pigeon ("Columba livia").  As the name suggests, this breed was developed as an exhibition breed in Britain from local stocks of racing pigeons. Douglas McClary in his book "Pigeons for Everyone" describes Show Racers as simply the "show version" of the popular racing pigeon.

Nick Skelton: Nicholas David Skelton, CBE (born 30 December 1957, Bedworth, Warwickshire) is a former British equestrian who competed in show jumping.  He retired at the age of 59 years old, on 5 April 2017.  He began riding at age 18 months and in 1975 took two team silvers and an individual gold at the Junior European Championships.  He has competed numerous times at the European Show Jumping Championships, winning three golds, three silvers and three bronzes both individually and with the British team over a 26-year time period.  In 1980 he competed in the Alternative Olympics where he helped the British team to a silver medal.  He currently holds the British Show Jumping High Jump record, which he set in 1978.

SuperStar (Arabic TV series): Super Star (سوبر ستار) is an Arabic television show based on the popular British show "Pop Idol" created by Simon Fuller's 19 Entertainment & developed by Fremantle Media.  The show unites the Arab community by democratically choosing the next singing sensation.  The show is broadcast worldwide on Future TV, a Lebanese television station.  It is also the first "Idol" franchise to feature contestants from multiple countries.

New Faces (Australian talent show): New Faces was an Australian talent show that preceded the British show of the same name, produced at GTV-9 Melbourne.  The program began in 1963 under the name "Kevin Dennis Auditions", sponsored by the new car dealership, Kevin Dennis Motors, which was run by Kevin Dennis (Dennis Gowing), who was also a well known face on Australian TV from his catchy 'Update' TV Commercials in the 1960s-70s, which were featured during the breaks of the popular show.  The program ran on Saturday mornings.  The program name soon changed to "Kevin Dennis New Faces", and later simply "New Faces", becoming a Sunday night prime time show.

Supporting paragraphs: Instruments of Darkness Gary Russell
Answer: The Famous Five