Who writes Gavin and Stacey?

Who writes Gavin and Stacey?
Ruth Jones and James Corden, who also appear as the characters Nessa and Bryn, co-write the comedy hit show of Gavin & Stacey.Ruth Jones and James Corden, who also appear as the characters Nessa and Bryn, co-write the comedy hit show of Gavin & Stacey.