In 2007, he played Ben Wainright in the Doctor Who episode "Blink" and Wesley Presley in Two Pints of Lager and a Packet of Crisps.
He received his first acting credits as the 16th and the 17th century English Poet John Donne in Channel 4's educational series Arrows of Desire[2] in 2003.
In 2007, Nelstrop was chosen to play Ben Wainwright in the critically acclaimed Doctor Who episode Blink, alongside Carey Mulligan and Lucy Gaskell.
Following this appearance, he went on to play Constable Harrison in Honest, Wesley Presley in Two Pints of Lager and a Packet of Crisps, and as a recurring cast member in The Impressions Show with Culshaw and Stephenson.
[4] In 2013, he was hired to create comedy clips to be broadcast between acts at the Singapore Social music festival which featured Aerosmith, Carly Rae Jepsen, Psy, and Blush.