Aside from his long-running roles in The Bill and Shameless, Ciarán has made guest appeareances on Coronation Street, Clocking Off, Waterloo Road and numberous other programmes.
In 2007, he starred alongside Conrad Westmaas in the short film, The Visitor. He also appeared as Psycho in the film Theres Only One Jimmy Grimble.
Ciarán attended St. Mary's RC High School in Astley near Leigh between 1994 and 1999. It was during this time that he starred in Children's Ward at the age of thirteen.
He also starred in the British vampire film Dead Cert which was directed by Steven Lawson.
He also appears in Waterloo Road as Dylan Hoge on season 6 in 2010/11.
In the August 2011 issue of Attitude Magazine, Ciarán takes his top off and appears sporting a red boxing kit. Photos from the shoot were also taken at Cloud 23 Bar in Hilton Hotel, Manchester.
He has done a couple of adverts, including the BT vision advert where he is featured having his hair washed.
Ciarán is an avid supporter of Manchester United.
Ciarán is of maternal Irish descent.