A prominent figure in the television industry, Keith Duffy’s most popular TV series roles include Paul Dunne in The Clinic, Ciaran McCarthy in Coronation Street, Ringo Leyden in Fair City, Detective Mick O'Leary in Mrs Brown's Boys: The Original Series, and also the game show Battlechefs. His 2017 movie venture includes director Kavi Raz's The Black Prince, based on the real life story of the last King of Punjab, Maharaja Dalip Singh, starring Satinder Sartaj and Amanda Root in the lead roles.