Nunn has also played many notable theatre roles on London stages and around the United Kingdom.
He was part of the stage and technical crew, and after leaving school he worked as a performing arts technician before beginning his professional acting career at age 19.
He went on to work with Benedict Cumberbatch and Keira Knightley on the Oscar-, Golden Globe-, and BAFTA-nominated film The Imitation Game, directed by Morten Tyldum.
His most notable TV appearance was as Peter Manuel in season 4 of Murder Maps, The Beast Of Birkenshaw.
His role as Parson Lucy in Matilda Ibini's critically acclaimed play Muscovado (winner of the Alfred Fagon Audience Award[1]) was very well received.