Guest Stars Sioned Dafydd as Elin Steffan Rhodri as Herbert Rees Rhodri Miles as Neil Amos Eiry Thomas as Nia Morgan Glyn Pritchard as Professor Yorath Jeremy Turner as Editor / Hywel Llion Williams as Joseph Roberts Rhodri Sion as Dylan Bevan Valmai Jones as Enid Roberts Charlotte Griffiths as Ceri Jones Dyfed Thomas as Alun Gwyn Elfyn as Duty Manager Cler Stephens as Carol Dylan Raw-Rees as Delme Thomas Sara Harris-Davies as Ruth Celyn Evans as Ffion