Born in Chadderton, Oldham, Ash's first TV appearance was as Spike in Coronation Street aged 10.
He has since appeared in Mad About Mambo, Clocking Off, Children's Ward, Lilies, Born to Run, Burn It, All the King's Men, ShakespeaRe-Told (A Midsummer Night's Dream), Doctor Who, the miniseries Conviction, Hush, Waterloo Road and Shameless.
[3][4] In 2013 he starred in the ITV comedy drama series Great Night Out as Beggsy.
In 2015, Ash appeared as Frank Mellor in the BBC TV series Death in Paradise episode 4.4.
In 2017, Ash played Leighton Thomas in ITV's serial killer drama, The Loch.