Darren Altman was a comedic impressionist who reached the semi-finals in Series 10 of Britain's Got Talent. He was a forty two year old man from Surrey in the United Kingdom. He worked as a voice over artist, most notably the 'IAMS' cat food adverts. Outside of Britain's Got Talent he also owns his own YouTube channel.
In the audition he did celebrity impressions. His impressions ranged from Dermot O'Leary, David Attenborough, Jeremy Clarkson, Gok Wan, Gordon Ramsey, Declan Donnelly, Ant McPartlin, and Boris Johnson.
In the semi finals he did more celebrity impressions, yet pretended he had an impressionists restaurant. He did impressions of Fred Siriex, Declan Donnelly, Ant McPartlin, Lord Alan Sugar, Bear Grylls, and Gordon Ramsey. He was eliminated by public vote at the end of his semi-final.