Question: What host of The Voice UK was in "Doctor Who"?

full_context: Document 1: Jayson Mansaray: Jayson Mansaray (born 17 August 1987) is an Australian-born British broadcast journalist was an intern on RT's (Russia Today TV) travel show - Russia's Golden Ring: A Tour In Time, Dotun Adebayo's programme on BBC London 94.9, and currently presents the lunch programme on 91.8 Hayes FM Mondays to Thursdays from 11:00am to 14:00pm.
Document 2: Ninja Warrior UK (series 2): The second series of Ninja Warrior UK which ITV renewed for a second series on 29 May 2015, and began on 2 January 2016. The show was presented by Ben Shephard, Chris Kamara and Rochelle Humes. Owen "The Stuff" McKenzie was the contestant to go the furthest in the second series. As with series 1, no women advanced past the semi-finals.
Document 3: Romesh Ranganathan: Jonathan Romesh Kondabolu Ranganathan (born 30 January 1978) is a British stand-up comedian and actor. He was nominated for Best Newcomer at the 2013 Edinburgh Comedy Awards. He has made multiple appearances on comedy panel shows and in 2016, he co-presented "It's Not Rocket Science", alongside Rachel Riley and Ben Miller. He is known for his deadpan comedy.
Document 4: The Voice UK (series 3): The Voice UK is a British television music competition to find new singing talent. The third series began airing on 11 January 2014 on BBC One, as opposed to the usual start in March. will.i.am and Tom Jones returned as coaches, while Kylie Minogue and Ricky Wilson joined the show as replacements for former coaches, Jessie J and Danny O'Donoghue. Emma Willis and Marvin Humes co-presented the show for the first time, replacing Holly Willoughby and Reggie Yates.
Document 5: Reggie the Rabbit: Reggie the Rabbit is the mascot of the South Sydney Rabbitohs. The rabbit took lifesize form in 1968 when celebrity fan Don Lane brought back a suit from the US in time for the 1968 grand final against Manly Warringah Sea Eagles, won by the Bunnies 13–9. Perhaps the most notable of the early Reggies was the club's groundsman Reg Fridd. Standing just over four feet tall, the Rabbitohs lured the diminutive Kiwi from a touring production of Snow White and the Seven Dwarves, the same troupe that had yielded the second Reggie, Roscoe Bova, tragically killed in a car accident in the early 1970s. Most teams in the National Rugby League maintain mascots. But none do the sort of charity work as Reggie and none dare venture to opposition grounds as he does. Yet for the current Reggie, Charlie Gallico – a sub-five footer who runs a panelbeating shop on the side – it's all part of the job. For five years little Charlie has been quietly and anonymously volunteering his services to his club and community to maintain a sideline alter-ego as one of sport's most enduring symbols. During 2000 and 2001, when Souths was excluded from the NRL, Anth Courtney was Reggie Rabbit appearing at the second Town Hall rally and at games at Redfern Oval as well as being active in travelling extensively around the state to attend fundraisers as Reggie Rabbit.
Document 6: The Voice UK (series 2): The Voice UK is a British television music competition to find new singing talent. The second series was hosted by Holly Willoughby and Reggie Yates on BBC One and started on 30 March 2013. On 13 November 2012, it was confirmed that all four coaches from last year would return. The show's Blind Auditions moved to MediaCityUK in Salford, Greater Manchester. It was also confirmed that the live show format would be tweaked for this series, which included the cutback from six live shows in the first series to only three live shows, and the pre-recorded results show had also been dropped, with the results given on the same night as the performances. On 28 February 2013, four ten-second teaser trailers were posted to the show's official website and YouTube page.
Document 7: Richard Bacon (broadcaster): Richard Paul Bacon (born 30 November 1975) is an English television and radio presenter. He is best known for having been a host of the popular children's show "Blue Peter"—his first high-profile media role—from which position he was fired in 1998 after 18 months. Following "Blue Peter" he worked as a reporter or presenter on numerous television shows, including "The Big Breakfast", and on radio stations including Capital FM and Xfm London. Beginning 14 November 2016, Bacon became the new presenter of The National Geographic Channel's reboot of its documentary/panel discussion hybrid TV series, "Explorer".
Document 8: Gareth P. Jones: Gareth P. Jones is a British children's writer, and author of the Dragon Detective Agency series of books. He is most famous for his comic-gothic book, "The Considine Curse", which won the Blue Peter Book of the Year 2012 and for "The Thornthwaite Inheritance". He also writes a series of books called Ninja Meerkats. His most recent book is called "Constable & Toop" and is a Victorian ghost story set in London, 1884. [Update: His most recent book is now "The Society of Thirteen".] As well as being an author, Gareth works as a TV producer.
Document 9: The Voice UK (series 5): The Voice UK is a British television music competition to find new singing talent. The fifth series began airing on 9 January 2016 on BBC One. The series is hosted by Emma Willis and Marvin Humes, and are joined by coaches will.i.am and Ricky Wilson. Rita Ora did not appear in this series of the show after joining "The X Factor" and was replaced by Boy George. In addition, Sir Tom Jones did not return and was replaced by Paloma Faith.
Document 10: Reggie Yates: Reggie Yates (born 31 May 1983) is a British actor, television presenter and radio DJ, best known from his roles as Rastamouse, Leo Jones in "Doctor Who", and for his work at the BBC in radio and television - presenting various shows for BBC Radio 1 with Fearne Cotton – as well as hosting the ITV2 reality show "Release the Hounds" from 2013 until 2017.
Document 11: The Voice UK discography: The Voice UK is the British version of "The Voice of Holland", a television talent show, along the lines of "The X Factor". This talent show was created by John de Mol and features four coaches looking for a talented new artist, with the intent that a potential auditionee could become a global superstar. The show's concept is simple; the auditionee walks on to the stage with the judges' backs turned to them, rendering looks, personalities, stage presence or dance routines irrelevant, and starts singing. If the judges like what they hear, they will turn around, indicating intent to coach them. If more than one coach turns round, power falls into the hands of the singer. Once all four teams are complete, the live shows begin and the singers sing songs chosen for them by the coaches.
Document 12: The Voice (U.S. season 4): The fourth season of the American reality talent show "The Voice" premiered on March 25, 2013 on NBC and was hosted by Carson Daly, while Christina Milian returned as the social media correspondent. Coaches Adam Levine, CeeLo Green, Christina Aguilera, and Blake Shelton returned, though Green and Aguilera appeared as performers instead of coaches. Shakira and Usher then served as replacements coaches for Aguilera and Green. The team sizes were trimmed back down to 12 per team (season two's team size), with each coach having two 'steals' in the Battle Rounds.
Document 13: Richard Ian Cox: Richard Ian Cox (born October 3, 1973) is a Welsh-Canadian actor, online radio host, and comedian. He is best known for his voice acting for English language dubs of anime, mainly for "InuYasha". Richard gained prominence for playing the character of Henry Dailey's (played by Mickey Rooney) teenaged traveller and horse rider, Alec Ramsay, in The Family Channel's "Adventures of the Black Stallion" during the early 1990s. Cox also gained fame for voicing Ian Kelley, the title character in the animated series "Being Ian", and for voicing Scattershot, one of the Autobots in the CGI-Animated series "". In 2015, he provided the voice of Lofty in the American dubbed version of the 2015 reboot of the British children's animated television series "Bob the Builder" taking over from both Sonya Leite and Emma Tate. He maintains an active online presence on Tumblr and Twitter as well as Facebook. He hosts his own podcast called "The Show".
Document 14: Moses Jones: Moses Jones is a British television crime drama series first broadcast on BBC Two in February 2009. The series was written by Joe Penhall, directed by Michael Offer and produced by Cameron Roach. The series follows DI Moses Jones (Shaun Parkes), a Scotland Yard detective who is seconded onto an enquiry investigating a mutilated body found floating in the Thames. The series also notably starred Matt Smith, who a month before the series aired, was cast in the role of the Doctor in "Doctor Who". The complete series was released on DVD on March 9, 2009.
Document 15: List of The Voice UK finalists (series 1): The first series of the talent show The Voice UK began broadcasting on 24 March 2012. The coaches are Tom Jones, Jessie J, Danny O'Donoghue of The Script and will.i.am of The Black Eyed Peas. Each coach chose who they wanted on their team by pressing their "I Want You" button. When one or more coaches turned around, the contestant chose which team he or she wanted to join. If none of the coaches pressed their button by the end of the contestant's song, all four coaches turned around to give advice to the contestant who would not progress in the show. The show was won by Leanne Mitchell, mentored by Tom Jones, who took the £100,000 and record deal with Universal Republic Records, with Tyler James and Bo Bruce becoming the joint runners-up (mentored by will.i.am and Danny O'Donoghue respectively). Vince Kidd, mentored by Jessie J took fourth place.
ground_truth: Reggie Yates