Acting Arnold made his professional debut in the fifth and sixth series of the
E4 teen drama
Skins, playing the keen metalhead
Rich Hardbeck. He got the role while still in the
sixth form through the open audition process in London. In September 2011, he starred in the music video “Death Cloud” by
Cloud Control. Directed by the award-winning
Luke Snellin, it was shot in Spain over two days. He starred in a two-part
ITV drama called ''
A Mother's Son, written by Chris Lang and first screened in September 2012. In 2013, he appeared in the BBC Three zombie drama In the Flesh, and in the third series of crime drama Vera. He also earned a starring role as Adam in the television series What Remains. In 2015, he joined the cast of Poldark'', a new BBC series based on
The Poldark Novels. Arnold landed his first film role in the 2014 western
The Salvation, shot in South Africa.
Music Arnold enjoys playing the
bass guitar, and is the lead singer of an
indie band called Circuithouse. ==Charity work==