As Nessa and the Wests head to Essex to spend Christmas with the Shipmans, Gavin and Stacey have a startling announcement to make.
Mathew Horne
Joanna Page
Alison Steadman
James Corden
Larry Lamb
Ruth Jones
Melanie Walters
Rob Brydon
Julia Davis
Steffan Rhodri
Adrian Scarborough
Robert Wilfort
Margaret John
Edna Doré