He is known for his roles as Harley Lawson in the ITV drama Footballers' Wives (2004–2005) and its spin-off Extra Time (2005), Leon Taylor in the Sky One series Hex (2004–2005), and Max Walker in the BBC medical soap Casualty (2013–2018), and for writing the miniseries You & Me.
Davis started his acting career at the age of 16,[2] in a production of Kes at the West Yorkshire Playhouse in Leeds.
Between the third and fourth series of Footballers' Wives, Davis appeared alongside John Malkovich in Colour Me Kubrick (2005) and played Leon Taylor in the first season of Hex.
[6] Davis went on to play Davey in The Sarah Jane Adventures episode "Invasion of the Bane" and Steve Sharpe in The Amazing Mrs Pritchard.
[7] In 2021 he played Adam, boyfriend of Kim Marsh's Character Donna in the 4th installment of Kay Mellor's the Syndicate.