Ruth Jones Nessa Actor, Writer James Corden Smithy Actor, Writer Joanna Page Stacey Actor Mathew Horne Gavin Actor Alison Steadman Pam Actor Larry Lamb Mick Actor Melanie Walters Gwen Actor Rob Brydon Bryn Actor Steffan Rhodri Actor Margaret John Actor Sheridan Smith Actor Ewan Kennedy Actor Ifan Huw Dafydd Actor William Thomas Actor Steven Meo Actor Pam Ferris Actor Christine Gernon Director Henry Normal Executive Producer Lindsay Hughes Executive Producer