Gavin and Stacey stars Joanna Page and Matthew Horne are set to reunite once more, but this time it won’t be for the beloved BBC show, despite a BBC boss recently hinting at the show's return. Actors Joanna, 43, and Matthew, 42, will come back together on Christmas Day to host a special radio show on BBC Radio Wales.The Gavin and Stacey lead actors have also teased there will be some “special friends” making a guest appearance on the festive show.