Kelly had a small part in the critically acclaimed film Comic Strip Presents... Mr Jolly Lives Next Door (1987) and as the music video director in More Bad News (1987).
[3] From 2007 to 2010 he appeared regularly as Father Henderson, a camp Doctor Who-loving priest, in the award-winning BBC Radio 4 comedy Fags, Mags and Bags.
In 2011, after Kelly's death, reference was made in the series to Father Henderson's move to another parish and to the fact that the new priest can never replace him.
[3] In 1994 Kelly played Felix Ungar in a Scottish touring production of The Odd Couple, relocated to modern-day Glasgow, alongside Craig Ferguson as Oscar Madison.
[citation needed] Kelly was due to star in the 2010/2011 King's Theatre production of Snow White in Glasgow, but died on 28 October 2010 at the West Middlesex University Hospital in Isleworth,[7][8] after collapsing with a brain aneurysm.