Cardy O'Donnell has written 6 episodes of Coronation Street since September 2014. In addition, under the name of "Lee O'Donnell", he was storyliner on the programme for 1499 episodes from Episode 6825 (26th May 2008) to Episode 8340 (10th March 2014). He was also a contributor to the Just Rosie website spin-off, writing part of the content alongside Martin Sterling.