<P> Bayfield was born in Bedford and was educated at Bedford School . He served with the Metropolitan Police from 1985 to 1989, before transferring to Bedfordshire Police . The 208 cm (6 ft 10in) tall Bayfield made his England debut in 1991, and although he was omitted from the 1991 World Cup squad, he was a part of the 1992 Five Nations Grand Slam winning side . He went on the 1993 British Lions tour to New Zealand, and was part of the 1995 World Cup squad . He would play 18 times partnering Martin Johnson . His final appearance for England came in the 1996 Five Nations match against Wales . </P> <P> His last game was against Gloucester in February 1998; a neck injury sustained in training a few days later forced him to retire . </P> <P> Since retirement, Bayfield has worked as a journalist, an after - dinner speaker, and has appeared in all of the Harry Potter films playing the half - giant Hagrid, as Robbie Coltrane's body and stunt double . (He also appeared in Harry Potter and the Chamber of Secrets as a young Rubeus Hagrid). Continuing the acting theme, he also played a cyclops in Jonathan Liebesman's Wrath of the Titans, the sequel to 2010 movie Clash of the Titans . Bayfield also played "Rugby Player 1" in an episode of the BBC One series New Tricks (first shown on 1 September 2008). </P> <P> In his broadcasting career, Bayfield has presented the NFL and World's Strongest Man coverage on UK Channel Five and worked as a rugby correspondent on BBC Radio 5 Live . He also served as a presenter for ITV's coverage of the 2007 and 2011 Rugby World Cups, as well as presenting ITV's Guinness Premiership highlights . From 2012 - 2016, he co-presented BBC's Crimewatch with Kirsty Young . From 23rd August 2018 Martin took part in Celebrity Masterchef of which he reached the final 3 shown on BBC one on the 28th September 2018 . </P>

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