Kelly Jane Shirley, known professionally as Kellie Shirley is an English actress who works in film, television, theatre and radio. She hails from Croydon via a large Northern Irish family. She has also co-presented programmes for BBC2 and Channel 5. She is probably best known for her roles as Kirsty De La Croix in Sky One returning, comedy series In the Long Run created by Idris Elba.