Cal Halbert Cal Halbert is one of the UK's top all round entertainers, and the top comedy impressionist working the UK comedy circuit. As one half of The Mimic Men, he appeared on Britain's Got Talent in 2016, receiving a standing ovation and 4 yeses. He has since gone on to appear on The Gadget Show, BBC, ITV and Channel 5. 'Uncanny imitations’ (Sun). 'Hard to beat' (Comedy.co.uk). 'You blew my mind' (Michael McIntyre). 'Hilarious' (Daily Mail). 'Excellent' (Daily Mirror). None