[citation needed] He trained at the Royal Welsh College of Music and Drama for three years.
[citation needed] Best played Matt Parker on the BBC One drama Holby City.
[citation needed] He has also appeared in episodes of Silent Witness, The Bill, and Waking the Dead, as well as The Catherine Tate Show 2007 Christmas Special.
[citation needed] In 2011, Best took part in an advertisement for Meteor.
[citation needed] He played the role of Joe Lynskey in the 2024 series about The Troubles in Northern Ireland, Say Nothing.