Background
Kelsey was born the younger of two boys, with an older brother.
Kelsey was born the younger of two boys, with an older brother.
Kelsey trained at the Joseph Rowntree Theatre, York and graduated at the Guildford School of Acting.
Kelsey started his working life as an apprentice coach builder at York carriage works. His first credited role was Narmco Clerk in the 1993 television mini-series Wild Justice. Since then he has gone on to play Dave Glover in Emmerdale, had a cameo role in British Broadcasting Corporation television comedy series Men Behaving Badly.
He joined British Broadcasting Corporation One medical drama Casualty in 1999, in a three-year stint as Doctor Patrick Spiller.
During this period he also in BBC1 drama Down to Earth as Matt Brewer (series 3-4) during 2003 and 2004. Kelsey has appeared in series Touching Evil, Liam Taylor in Murder in Mind, and he appeared DI Richard Mayne in Blue Murder.
After leaving Casualty, in 2006 Kelsey had acting roles in the BBC1 late-night drama Hotel Babylon and then in the ITV1 Sunday evening drama Where the Heart Is, playing Jack Clayton opposite actress Shobna Gulati). This is his second role in the show as in 2005 he played a different character, Adam Miller.
In late 2006 he appeared on stage in the London West End theatre production of Chicago.
In 2008, he appeared on the British Broadcasting Corporation film Dustbin Baby. On 3 September 2010 he guest starred in the British Broadcasting Corporation soap opera Doctors. Kelsey was also in Black Beauty as Joe Green (older).
On 9 December 2009 Kelsey appeared on magazine show This Morning, talking to presenters Phillip Schofield and Holly Willoughby about his upcoming stint in long-running ITV1 police drama The Bill.
On 7 May 2012 it was announced that Kelsey would be joining Doctors as new practice manager Howard Bellamy, replacing departing long-running character Julia Parsons. He made his first appearance on 28 May 2012.
Kelsey left medical drama on screen on 22 October 2015, to join Patrick Robinson in the United Kingdom touring stage production tour of The Shawshank Redemption.