A natural dogsbody, Chris is always eager to please - particularly Gene, whom he followed down from Manchester.
A practical joker, Chris avoids hard work wherever possible. And, as far as he's concerned, the arrival of DI Alex Drake will disrupt the everyday running of CID - but he eventually learns to accept her as his boss.
Chris likes going out on the town with fellow copper Shaz Granger, and the two become good friends after he rescues her. Chris is desperate to impress Shaz and will do anything for her, including risk his own life...
Growing up in Cheshire, Marshall trained with the SCAMPS youth theatre company before going on to star in a number of well-known TV dramas, including Where The Heart Is, Peak Practice and The Street, but is best known for playing DC Chris Skelton in Life On Mars, a role he reprises in Ashes To Ashes.
Marshall, 34, also appeared in Coronation Street, playing a 'dirty scrubber' (his words) called Slug, who led Becky (Katherine Kelly) into trouble with Roy and Hayley. Marshall appeared opposite Katherine in the first series of Life On Mars - she played Sam's Aunt in episode four.
Marshall has two different coloured eyes: one blue, one green.
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