Joe's grandfather, Ned Murray, was an active trade unionist and Labour Party politician as well as a district councilor.
Caffrey chose to become an actor and was trained for three years at the London Academy of Music and Dramatic Art.
He says: "When you get a writer of Alan's calibre saying 'I'm going to write you a part in this' you think 'Christ almighty, most actors would bite your hand off for that kind of chance.
Joe Caffrey's career began at the age of 22 after leaving the London Academy of Music and Dramatic Art (LAMDA).
... aka Catherine Cookson's Colour Blind (UK: complete title) Joe has also been involved in writing and performing in some sketches for the charity event, Sunday for Sammy in 2006, 2008 and 2010.