Guest Stars Rosie Sheehy as Elan Parry Dylan Jones as Alun Crowther Lauren Morais as Lucy Popkin Lloyd Meredith as Eric Crowther Aled Ap Steffan as Silas Bennion Wayne Cater as Dylan Onion Jim Kitson as Leslie Crowther Connor Calland as Matt Benfield Patricia Jones as Joanne Daniel Adeosun as Rob Hatton